From patchwork Thu Jun 2 01:21:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cong Wang X-Patchwork-Id: 12867417 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 962E6CCA473 for ; Thu, 2 Jun 2022 01:21:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233029AbiFBBVP (ORCPT ); Wed, 1 Jun 2022 21:21:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232994AbiFBBVO (ORCPT ); Wed, 1 Jun 2022 21:21:14 -0400 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7317FDFF4E; Wed, 1 Jun 2022 18:21:13 -0700 (PDT) Received: by mail-qt1-x82f.google.com with SMTP id 2so2522000qtw.0; Wed, 01 Jun 2022 18:21:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=i4/k1Y4z6iW3+036x59e6AS3ioClOeFXBzlJvKGBQ3c=; b=jrdxIqCPMAS5AKPWNk3ElBCyxonj7tx2wMI0kqIaOnW6VkK5mHS+8Zzc586voz68z1 5MN5ExcQxJtGH9m1OQMKHXHDSA63RAeUGMYRzRfrb0U7+wZzyVwvXNLs2us9638C5nL5 4ZVpqYnzqRNill5xzL+XfZ3inBRKeePdTeqoNkAoDT358Y6h6IlWu40/PzA3ELWPuEP+ CaMswKMQ+laJh3aE/QyFZWx9/by/v669d33JhDSegHW35FrnsHkaLaUDd3vCDqhDb7TQ 6t1BUTzs+1p27dBjUShBmQtfQA2HIgiLyc8ed/A3rH7JxOuU74+XI9PEmzl6mAiOkhgU yZiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=i4/k1Y4z6iW3+036x59e6AS3ioClOeFXBzlJvKGBQ3c=; b=Fgg4V3sfq30RUMM91RnRxu2UVwuEoBBdam+y5saCo423MmZtxRcMh+waZrrh4rNu5Z /fIYzteeTWREpMe29zqZnam0C4AyarFcLq9NrHWlnWP3RM396kbHvqxmZUkvtwa8D5x+ hkvxpJmDGJb6E7Q08FkNOIv03g5WQV1T5BXwqkEbMM32KXNuIEJquKULSwBtz8KCRfYZ MIjBCN08M3/R04Cxpll+fhkQRl9smJFd0dOwfZ52vUvnCNOejC4QtdWEOBh8ePHwkJbj 38mY93HWAmHlzhymiab6PoXGXctdyAmMEz09fCBbtqkHihh9b0eZ4TXz9rvBQES00aFQ 7JOw== X-Gm-Message-State: AOAM533vxCepxpZfXV7TlNC2JG5SektinR8drtpxKuFbYy6rC/0cW1Y8 rql5MbrCds/egYjP/6Ah5HN8m4+si2M= X-Google-Smtp-Source: ABdhPJyjncl9xSre/rCq9ixVwTU9kJ5mvulcYk8HMViPVD4aSsyydkJ4xtbkho7VIburuPpUOGi5DA== X-Received: by 2002:ac8:590a:0:b0:304:b5f4:941e with SMTP id 10-20020ac8590a000000b00304b5f4941emr2134024qty.46.1654132872409; Wed, 01 Jun 2022 18:21:12 -0700 (PDT) Received: from pop-os.attlocal.net ([2600:1700:65a0:ab60:a168:6dba:43b7:3240]) by smtp.gmail.com with ESMTPSA id x4-20020ac87304000000b002f39b99f670sm2077654qto.10.2022.06.01.18.21.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jun 2022 18:21:11 -0700 (PDT) From: Cong Wang To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, Cong Wang Subject: [Patch bpf-next v3 0/4] sockmap: some performance optimizations Date: Wed, 1 Jun 2022 18:21:01 -0700 Message-Id: <20220602012105.58853-1-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net From: Cong Wang This patchset contains two optimizations for sockmap. The first one eliminates a skb_clone() and the second one eliminates a memset(). With this patchset, the throughput of UDP transmission via sockmap gets improved by 61%. v3: avoid touching tcp_recv_skb() v2: clean up coding style for tcp_read_skb() get rid of some redundant variables add a comment for ->read_skb() --- Cong Wang (4): tcp: introduce tcp_read_skb() net: introduce a new proto_ops ->read_skb() skmsg: get rid of skb_clone() skmsg: get rid of unncessary memset() include/linux/net.h | 4 ++++ include/net/tcp.h | 1 + include/net/udp.h | 3 +-- net/core/skmsg.c | 48 +++++++++++++++++---------------------------- net/ipv4/af_inet.c | 3 ++- net/ipv4/tcp.c | 44 +++++++++++++++++++++++++++++++++++++++++ net/ipv4/udp.c | 11 +++++------ net/ipv6/af_inet6.c | 3 ++- net/unix/af_unix.c | 23 +++++++++------------- 9 files changed, 86 insertions(+), 54 deletions(-)