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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC285C10F14 for ; Thu, 3 Oct 2019 05:48:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9979121D81 for ; Thu, 3 Oct 2019 05:48:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="H0/XlQvP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727930AbfJCFsJ (ORCPT ); Thu, 3 Oct 2019 01:48:09 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:36882 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727893AbfJCFsJ (ORCPT ); Thu, 3 Oct 2019 01:48:09 -0400 Received: by mail-lj1-f194.google.com with SMTP id l21so1256139lje.4 for ; Wed, 02 Oct 2019 22:48:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=n3peBCGmoMQ8oWT4xeQhDsEdz8bsDQQABUU5Ia1ck8o=; b=H0/XlQvPnj51af1Zg0nMxa1vOZpllkBSJRSmUGZkk5w2wVuHUxKMnTVurT7Lf8u9Kk qAZ+Q83ycL7yJKxSrosPZSGDwKBCwaKkmOy1S+izNKFzo77PhModabj3g05m9uJBRzRV JScaAfZ2VAHNAGbFTSF6SHUvdQX46ONuAX7FkJ1adTkme0KLLfhFWt7BXx17JRZVzSy5 9TAvtc8kDM2M6ZC/+WlBdokyX3VKA8DJJp6ozmNLALlJK+jju7tvtRmJU8Va8zCOVBqo vDXm9uv+4LkzXi+1BLPeRxqAI08XKFL2w2Dph2dwQhltP031RFy/0wXQSXAYYUcy5gqa 6Akg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=n3peBCGmoMQ8oWT4xeQhDsEdz8bsDQQABUU5Ia1ck8o=; b=RYFfo4yFScV2JM83kFx8+zMEHaw/DjMyaSLOHJLZb6q3aPVtuym403HLpXsl19vOCH ZaSpeQ5RjZEXg8uinixaEMjUx/ylSlIeQhCdPvVLf9+DQDuwznD2wCfdpXqwafLCqS4o cO6tlCx/NTB7+RVsTHrtuTs9zo7eOUrSZ4VOHkhYUfY+jjhf78mUpEuWGpLrFDnLC6Ey UJxnCMhuyaT+I+oE51WVzSiZJ+wB0AiPgjxovBsyKCbQy1R2OM3a3adUYHAg14JpDw7X z3BgQDCLHyma/G9ZVwiR75W/oMLs72UTB/3TWUzPuDT+laWyVNgT2nutSxvhmIKUl4Tj XBmg== X-Gm-Message-State: APjAAAWojZo5r7dSmcDIK1X4P1FT6jykDZvvGw35/nA6DRmgyzrcGh4R K9fUJ5+A8Xz4KsxrpAvdoP7ISrXjVm5I6+5SRyqZjw== X-Google-Smtp-Source: APXvYqyq9DhP9eRaj8WFX2Hy5vRf8wKnoGe50YriZsyGo+Cl5XvZ5EcNTvnRB1w/pA6/zpa04EMaKZk3jpdM7ITGtPE= X-Received: by 2002:a2e:9f4f:: with SMTP id v15mr4961160ljk.222.1570081687233; Wed, 02 Oct 2019 22:48:07 -0700 (PDT) MIME-Version: 1.0 References: <20191002221017.2085-1-wdauchy@gmail.com> <025bcf1e-b7d4-5fa2-ec68-074c62b9d63c@gmail.com> In-Reply-To: From: William Dauchy Date: Thu, 3 Oct 2019 07:47:55 +0200 Message-ID: Subject: Re: [PATCH] tcp: add tsval and tsecr to TCP_INFO To: Eric Dumazet Cc: NETDEV , "David S. Miller" Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Oct 3, 2019 at 1:14 AM Eric Dumazet wrote: > I would rather use a new getsockopt() to fetch this specific data, > instead of making TCP_INFO bigger for everyone :/ > > ss command can dump millions of sockets in busy hosts, we need to be > careful of TCP_INFO size. Thanks Eric for your advices. I will see how I can come back with a second proposition. -- William