From patchwork Wed Jun 5 05:36:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Toshiaki Makita X-Patchwork-Id: 1110303 Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="HANnN8mL"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45Jcwv20d7z9s3l for ; Wed, 5 Jun 2019 15:36:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726179AbfFEFgq (ORCPT ); Wed, 5 Jun 2019 01:36:46 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:38764 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726050AbfFEFgq (ORCPT ); Wed, 5 Jun 2019 01:36:46 -0400 Received: by mail-pl1-f195.google.com with SMTP id f97so9287904plb.5; Tue, 04 Jun 2019 22:36:45 -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=EoVTGCkzRKlsrQM0KP0hkT+qqBXrIHjwEhfwy+BVosY=; b=HANnN8mL02ee0t04/AXj+ZpDz+rirxf0b9ulIbVPx0zrI0pfYVXyx5hzDxMlEBNhsn u2LcB0QvXqhmu3AW7vzl2AE5D0OXreU95kK+mqFhY/Y3x0TJtVHsowLpT6vjmAt2FANW 4MHWfcshLW/LyEfD68ZELxF2HL/PMxRQTx6s7FbtlVQPHpEuwB8eCYTlST+A4bdU4PD1 GP/ed/NTnsS6+Dth5Kn+e0YQpbBOGAhv2TaTnKbo/BgU5hjOwelFb3L8jt8zGirXq0Ks xnyfSSsfuQIutDSxco8Mhb3Ta1T1rMM0z6QOYUrMXC1EJ3XrwYVI8ErxOcdI7wWd1GtV HKIg== 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=EoVTGCkzRKlsrQM0KP0hkT+qqBXrIHjwEhfwy+BVosY=; b=AxRpIa6NP+X3SiKA+e9N+lIII5kcWw+3W7tpB+n3k/6ZnZoPV9YGoOAVOH1hC+kVE3 4qqlrsENMMDw0RPXHtLvfMPEwzTsnjf2xec1emcedjVGZsSXMxKez+nbYepripSR5SmN FzrXg9CsUdtPb+zilMTD0uG8Um2wwVeDQnIOAfF7NTC1LCHqKh5uP49aYvbMr8tPFG6J NnARPsi0zjl+tiWXpGR1jKaGenFNWQNrZ/3ls0AJ0wlrPwPMBVR8fu8OfNeUqq+fM9h2 BB8xQi0h8eaS6+dYXTma0BZJ8seAMG9Sl5CFo7ffa7d8dtWQMRxPEhQIU6fa9KKfEr/e CZaA== X-Gm-Message-State: APjAAAXlb5+r/B3TSN6mmVprLeB6QsaEO0OXBNGrZZ+doV+maWAk2tcW ZaWht81ye4NOmhbV2v1ECH0= X-Google-Smtp-Source: APXvYqyjPyOdXCO+W0BhMOOPaqG9bwVS7teGzVKWTPQozsN2REw/INAOd5UFa5RWlRpR2zFcm3t08w== X-Received: by 2002:a17:902:28ab:: with SMTP id f40mr40795510plb.295.1559713005624; Tue, 04 Jun 2019 22:36:45 -0700 (PDT) Received: from z400-fedora29.kern.oss.ntt.co.jp ([222.151.198.97]) by smtp.gmail.com with ESMTPSA id j15sm22745816pfn.187.2019.06.04.22.36.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Jun 2019 22:36:45 -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_H=C3=B8iland-J=C3=B8rgense?= =?utf-8?q?n?= , Jason Wang Subject: [PATCH v2 bpf-next 0/2] veth: Bulk XDP_TX Date: Wed, 5 Jun 2019 14:36:11 +0900 Message-Id: <20190605053613.22888-1-toshiaki.makita1@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@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. 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 | 25 +++++++++++++++++++ kernel/bpf/core.c | 1 + 3 files changed, 74 insertions(+), 12 deletions(-)