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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58A95C433FE for ; Mon, 2 May 2022 18:24:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1386849AbiEBS13 (ORCPT ); Mon, 2 May 2022 14:27:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1386845AbiEBS12 (ORCPT ); Mon, 2 May 2022 14:27:28 -0400 Received: from mail-oi1-x22f.google.com (mail-oi1-x22f.google.com [IPv6:2607:f8b0:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9920C767C; Mon, 2 May 2022 11:23:59 -0700 (PDT) Received: by mail-oi1-x22f.google.com with SMTP id r8so16021557oib.5; Mon, 02 May 2022 11:23:59 -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=CIKlVh6mnUyfsOqRQ2kIhsJu4jFvVs2VDKayVzJu+lc=; b=f+c4B4Wqp0S7YwBNrJEU3lp1S2NNBaIb7vlOUnHmDC1cMmWcRz6C/xb7lxTXxxxeUK WVYDhVsP+rV+daDONBh9O7gx+suVi1B4mSPTmxZ9sQfKkIDkOyXwjptb3OtMCmYO+zSb ftFxtas9Jje6DKwTUd1apE4UD6qM+Qtvr2R1oMZ4ifTag4wZ6j86nQ8yDggTpsVx79wr dEq7lfZUrTw+6/tzWoMceUDuNAODfIPuOOfjOf2e+W+xqc6rzOMIRW4dC/m09VzaODFb 7IaD9iftPRIrqVzXvIFn9AtbBdJvIB9tSnzdrnQHsbaOfmkrghu46QpMCfjGtJ9joBPk YTqg== 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=CIKlVh6mnUyfsOqRQ2kIhsJu4jFvVs2VDKayVzJu+lc=; b=7JvYTAGM8jqZ8L7ck44oXs46lYcTPfa8aoV6BN7CUXEyMmMGXliCa0OD2Kn1Pfl8rR AOSy2/ImeZVc3Dqj6l0hFLsqLxyFoQ/XIt2JDsVxsrpwLUqXz9O6Feuc1fwoAXYWfPoO 14eoxhBk5kYrUlRB9y1sQjwS2aVuiS/xNHu/vags5OnFfaNA/7g+FZ8yIw8G9GZObXVO 4M6U+QNzZrp8NCzN6OPxpGFVMc8Vuy96NP8WENvZbF5/NJmbuwLDBZkRssljN7RUVx22 TmLtvaBL2l1TWtzLwQndfZBVImVny5GXhBmQB7YFnHYdADP7S1PKBmWCqnxSP2KwSCWg 11Fw== X-Gm-Message-State: AOAM5324qrgT05KtBOTfgVdskQsfroqmU6p8R7pUXV9/dMwvb4Pc01T/ ni2x9KVGZJmZ1bJVing1NE4ICxYvz/A= X-Google-Smtp-Source: ABdhPJwKV/8vc3t34AWmp2BdchBf5Cn9mhYX2kJrNTAQwE+b2EPx7tYDS8bBp9HRG+VGgHv25XVgxQ== X-Received: by 2002:a54:468f:0:b0:322:5226:598e with SMTP id k15-20020a54468f000000b003225226598emr194274oic.213.1651515838766; Mon, 02 May 2022 11:23:58 -0700 (PDT) Received: from pop-os.attlocal.net ([2600:1700:65a0:ab60:7340:5d9f:8575:d25d]) by smtp.gmail.com with ESMTPSA id t13-20020a05683014cd00b0060603221245sm3129915otq.21.2022.05.02.11.23.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 May 2022 11:23:58 -0700 (PDT) From: Cong Wang To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, Cong Wang Subject: [Patch bpf-next v2 0/4] sockmap: some performance optimizations Date: Mon, 2 May 2022 11:23:41 -0700 Message-Id: <20220502182345.306970-1-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Cong Wang This patchset contains two optimizations for sockmap. The first one eliminates a skb_clone() and the second one eliminates a memset(). After this patchset, the throughput of UDP transmission via sockmap gets improved by 61%. 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 | 60 +++++++++++++++++++++++++++++++++++++++------ net/ipv4/udp.c | 11 ++++----- net/ipv6/af_inet6.c | 3 ++- net/unix/af_unix.c | 23 +++++++---------- 9 files changed, 94 insertions(+), 62 deletions(-) -- 2.32.0