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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 3BF8BC10F11 for ; Wed, 10 Apr 2019 11:43:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A6A120820 for ; Wed, 10 Apr 2019 11:43:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730920AbfDJLni (ORCPT ); Wed, 10 Apr 2019 07:43:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59032 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729363AbfDJLnh (ORCPT ); Wed, 10 Apr 2019 07:43:37 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4F56E83F4C; Wed, 10 Apr 2019 11:43:37 +0000 (UTC) Received: from firesoul.localdomain (ovpn-200-48.brq.redhat.com [10.40.200.48]) by smtp.corp.redhat.com (Postfix) with ESMTP id EF75461994; Wed, 10 Apr 2019 11:43:33 +0000 (UTC) Received: from [10.10.10.1] (localhost [IPv6:::1]) by firesoul.localdomain (Postfix) with ESMTP id BC1D631256FC5; Wed, 10 Apr 2019 13:43:32 +0200 (CEST) Subject: [PATCH bpf-next 0/5] Bulk optimization for XDP cpumap redirect From: Jesper Dangaard Brouer To: netdev@vger.kernel.org, Daniel Borkmann , Alexei Starovoitov , "David S. Miller" Cc: Ilias Apalodimas , bpf@vger.kernel.org, Toke =?utf-8?q?H=C3=B8iland-J=C3=B8rgensen?= , Jesper Dangaard Brouer Date: Wed, 10 Apr 2019 13:43:32 +0200 Message-ID: <155489659290.20826.1108770347511292618.stgit@firesoul> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 10 Apr 2019 11:43:37 +0000 (UTC) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patchset utilize a number of different kernel bulk APIs for optimizing the performance for the XDP cpumap redirect feature. Patch-1: ptr_ring batch consume Patch-2: Send SKB-lists to network stack Patch-3: Introduce SKB helper to alloc SKB outside net-core Patch-4: kmem_cache bulk alloc of SKBs Patch-5: Prefetch struct page to solve CPU stall --- Jesper Dangaard Brouer (5): bpf: cpumap use ptr_ring_consume_batched bpf: cpumap use netif_receive_skb_list net: core: introduce build_skb_around bpf: cpumap do bulk allocation of SKBs bpf: cpumap memory prefetchw optimizations for struct page include/linux/netdevice.h | 1 + include/linux/skbuff.h | 2 + kernel/bpf/cpumap.c | 66 +++++++++++++++++++++++++++++------------- net/core/dev.c | 18 +++++++++++ net/core/skbuff.c | 71 +++++++++++++++++++++++++++++++++------------ 5 files changed, 118 insertions(+), 40 deletions(-) --