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=-10.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_MED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham 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 F0CABC43219 for ; Sat, 4 May 2019 23:49:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B108920651 for ; Sat, 4 May 2019 23:49:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="bVuNPuw/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726905AbfEDXtA (ORCPT ); Sat, 4 May 2019 19:49:00 -0400 Received: from mail-pf1-f202.google.com ([209.85.210.202]:39986 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726596AbfEDXtA (ORCPT ); Sat, 4 May 2019 19:49:00 -0400 Received: by mail-pf1-f202.google.com with SMTP id k1so3759947pfo.7 for ; Sat, 04 May 2019 16:48:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=M+4+6vNMBetWaap8hmdKDBjpM+BMyccB+zu7kZaDQS0=; b=bVuNPuw/VBOSWbC3vcobM1KYbI5HSF1lrnaccP7lnDCJwrfCesd41SDp/m0rYaW7PZ giYDiALWioPTrVrzuOWqFZ7pvHuYJatZkG1g/lTx7nXZrY1ZrEhv2/IXM8GKPxuWJnf+ WzkJoiQgh+D6KTfo3NSIhSyd93MSpX5dCrnK7n5Jg3MZy6DR3ZI8+Qucfx2+UuRrhLH6 C8D4F+t4QGYBq2JF2/25w8D3MprKb574DdbUJHTVgrKnIdMFvatFU82yoV6wZLqqmy1V /fs277CPfEE3V5l/HAbGpU4bbrWNWWJ1np7U9Yj6NbDRnS8NWRu5nWAQlpCuViAZzzBj Uh0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=M+4+6vNMBetWaap8hmdKDBjpM+BMyccB+zu7kZaDQS0=; b=ETCclzLXk7aDfXi4TTK+fH48cBYRzrRuJZVCDlGS4z3bxvDyAN1cM7vLpvXYAFtNSB DyPpc/zTZP/WBCJdCvT4L8qc7qTRkcMGMUTJgiYQvZdODT1PS0/xRqYj1iNlg0HM2Y8y RjhFBM7Ofv1/oKQ4ZFyBls4AVmkhbnqNWF2gb4p71lJ3l9IMkvsUOLXog7TnD935efNI t48XNQ8iZ5ijbdVfyM/O0qDo8asdnj6oY7OzDWmElsbKyAkEabCRJ+wlyt8FUP3zAMpG FWz1WdF9S77v/vvZgVgYszV3KKQwrVzeYpdr9DRD1LdYA4DGlO2ym9yDKVOJ2YLazikH 4LkQ== X-Gm-Message-State: APjAAAW+Z/C7G7x1/h9TJwVH0KQGIbOn3v+8q3W1ZF3H3Gp79TufzTGe 2dR1CmgipMWx99duKLm5av0Vm86cHgYaRg== X-Google-Smtp-Source: APXvYqwMLwzqWRYkcHkT+2w0qAp7BRqQFGQmT3zoQ2xlWZou8bi2CsgDn3Cu9CiWiYPD1fVMkF0qKKDWXinmpQ== X-Received: by 2002:a63:ef04:: with SMTP id u4mr14667372pgh.96.1557013739186; Sat, 04 May 2019 16:48:59 -0700 (PDT) Date: Sat, 4 May 2019 16:48:52 -0700 Message-Id: <20190504234854.57812-1-edumazet@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.21.0.1020.gf2820cf01a-goog Subject: [PATCH net-next 0/2] net_sched: sch_fq: enable in-kernel pacing for QUIC servers From: Eric Dumazet To: "David S . Miller" Cc: netdev , Eric Dumazet , Willem de Bruijn , Eric Dumazet Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Willem added GSO support to UDP stack, greatly improving performance of QUIC servers. We also want to enable in-kernel pacing, which is possible thanks to EDT model, since each sendmsg() can provide a timestamp for the skbs. We have to change sch_fq to enable feeding packets in arbitrary EDT order, and make sure that packet classification do not trust unconnected sockets. Note that this patch series also is a prereq for a future TCP change enabling per-flow delays/reorders/losses to implement high performance TCP emulators. Eric Dumazet (2): net_sched: sch_fq: do not assume EDT packets are ordered net_sched: sch_fq: handle non connected flows net/sched/sch_fq.c | 110 +++++++++++++++++++++++++++++++++++++++------ 1 file changed, 96 insertions(+), 14 deletions(-) -- 2.21.0.1020.gf2820cf01a-goog