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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 08E5FC31E4A for ; Thu, 13 Jun 2019 15:46:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D625720851 for ; Thu, 13 Jun 2019 15:46:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TlShaR6e" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389438AbfFMPqk (ORCPT ); Thu, 13 Jun 2019 11:46:40 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:43840 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731786AbfFMJkb (ORCPT ); Thu, 13 Jun 2019 05:40:31 -0400 Received: by mail-pg1-f195.google.com with SMTP id f25so10626844pgv.10; Thu, 13 Jun 2019 02:40:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=S785yMePDE021tloy76IdFNKeU0Irn+hedVlKYK5ipY=; b=TlShaR6epnwL9p3CfCwrB2g6iuxpQoNMpwhNhC3CLXs3o/HZOl58AoynO+xl+dhNVB XoNuku3lQPC8g82X2kn8pKX0ecCsvxuo8JrSkHXCCDG16KJjhK1ioaQ0778T1z3dW87T SjdOhV6PzC1NwCYDiWnF+BVkO/wvjhWt5dUnOm2W6uUtJIf/5//koj4eHJEYKaeqHVaB Buku0/USyDgFp2sWu/qm8/94GNzTFCWWG3aAOH+rDJ2VqtuUNM9nm68aHJP8uvKT9awd /i5cSaSgnJ3A4U1kLOsGaAVpkFUD+fe9sqYenPIp5wpxLrwrNKIWLLALGcQ3BwyTrWBM fHSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=S785yMePDE021tloy76IdFNKeU0Irn+hedVlKYK5ipY=; b=Y6UkC7GqkYyU4GOqTN2eDDh4XgJF8/GR8IbJzGOd0zJGS5gyrjNwCqr2zbtmA9d2pR 6zt2OspPNIUZ6ORWYyhzDVemInB1qZt9PWwYJzmbYzl1JW0m24Hto8QFYJRllGH4tYEH fqm6Q4rZOTCr60QgU9wfWfiwTAddUAetpPTvg3J6O3fD4yN3QRblfDXWzQMuDRL6VIu9 sRG1bSP+AnHp1gHp4j1cSCgBs+u3ikrG1pWA2I29OhmW1++Xe8gU0XEExJknGMcRQT5L ZCYKS5CT/Wq5H1q4aUJ1DisX9F1DVBip/CPDIXFkiQoZfxvhz5fgipP65uMB9Dartufb 9qzA== X-Gm-Message-State: APjAAAUbqUHQDdiRNKswQPrZx4FNmQff+PJSCf3GoKEySRpQBcc5Z1hn 0blrYr0+Skdgha4RMloR7Bc= X-Google-Smtp-Source: APXvYqxBO4VpcMKL6uWlpGsa+GzR1EPPEvrVE3sbX1Y8jJSJ+Rdn+SnIhOakvtu6HF8uE4vOgLZWrQ== X-Received: by 2002:a17:90a:372a:: with SMTP id u39mr4402627pjb.2.1560418830360; Thu, 13 Jun 2019 02:40:30 -0700 (PDT) Received: from z400-fedora29.kern.oss.ntt.co.jp ([222.151.198.97]) by smtp.gmail.com with ESMTPSA id y1sm2501015pfe.19.2019.06.13.02.40.26 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 13 Jun 2019 02:40:29 -0700 (PDT) From: Toshiaki Makita To: Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend Cc: Toshiaki Makita , netdev@vger.kernel.org, xdp-newbies@vger.kernel.org, bpf@vger.kernel.org, =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , Jason Wang Subject: [PATCH v3 bpf-next 0/2] veth: Bulk XDP_TX Date: Thu, 13 Jun 2019 18:39:57 +0900 Message-Id: <20190613093959.2796-1-toshiaki.makita1@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This introduces bulk XDP_TX in veth. Improves XDP_TX performance by approximately 9%. The detailed explanation and performance numbers are shown in patch 2. v2: - Use stack for bulk queue instead of a global variable. v3: - Add act field to xdp_bulk_tx tracepoint to be in line with other XDP tracepoints. Signed-off-by: Toshiaki Makita Toshiaki Makita (2): xdp: Add tracepoint for bulk XDP_TX veth: Support bulk XDP_TX drivers/net/veth.c | 60 ++++++++++++++++++++++++++++++++++++---------- include/trace/events/xdp.h | 29 ++++++++++++++++++++++ kernel/bpf/core.c | 1 + 3 files changed, 78 insertions(+), 12 deletions(-) -- 1.8.3.1