From patchwork Mon Jun 21 22:54:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 464863 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 3E381C4743C for ; Mon, 21 Jun 2021 22:54:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F35C61289 for ; Mon, 21 Jun 2021 22:54:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232248AbhFUW47 (ORCPT ); Mon, 21 Jun 2021 18:56:59 -0400 Received: from mga14.intel.com ([192.55.52.115]:11255 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230438AbhFUW45 (ORCPT ); Mon, 21 Jun 2021 18:56:57 -0400 IronPort-SDR: EmPCShlIbOA3M6Kvu7AamMKLANM6uHmmTi4GbjRL2wO1j1BTRSJLDtArzq2sIc5ShloaB4PAAz mKI8BqOha3rw== X-IronPort-AV: E=McAfee;i="6200,9189,10022"; a="206768514" X-IronPort-AV: E=Sophos;i="5.83,290,1616482800"; d="scan'208";a="206768514" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2021 15:54:42 -0700 IronPort-SDR: 81HSb9rpE4RxTd+OSN4ywgZoI/EXSn4qGwKmfDnQfD1MjXucKDLpiO7nVi15Ez6UeBY3sDAhyF rKb0bfwUiZSg== X-IronPort-AV: E=Sophos;i="5.83,290,1616482800"; d="scan'208";a="486673967" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.209.74.136]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2021 15:54:42 -0700 From: Mat Martineau To: netdev@vger.kernel.org Cc: Mat Martineau , davem@davemloft.net, kuba@kernel.org, matthieu.baerts@tessares.net, mptcp@lists.linux.dev, pabeni@redhat.com Subject: [PATCH net-next 0/6] mptcp: A few optimizations Date: Mon, 21 Jun 2021 15:54:32 -0700 Message-Id: <20210621225438.10777-1-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Here is a set of patches that we've accumulated and tested in the MPTCP tree. Patch 1 removes the MPTCP-level tx skb cache that added complexity but did not provide a meaningful benefit. Patch 2 uses the fast socket lock in more places. Patch 3 improves handling of a data-ready flag. Patch 4 deletes an unnecessary and racy connection state check. Patch 5 adds a MIB counter for one type of invalid MPTCP header. Patch 6 improves self test failure output. Matthieu Baerts (1): selftests: mptcp: display proper reason to abort tests Paolo Abeni (5): mptcp: drop tx skb cache mptcp: use fast lock for subflows when possible mptcp: don't clear MPTCP_DATA_READY in sk_wait_event() mptcp: drop redundant test in move_skbs_to_msk() mptcp: add MIB counter for invalid mapping net/mptcp/mib.c | 1 + net/mptcp/mib.h | 1 + net/mptcp/pm_netlink.c | 10 +- net/mptcp/protocol.c | 113 +++--------------- net/mptcp/protocol.h | 2 - net/mptcp/subflow.c | 4 +- .../selftests/net/mptcp/mptcp_connect.sh | 52 +++++--- 7 files changed, 62 insertions(+), 121 deletions(-) base-commit: ef2c3ddaa4ed0b1d9de34378d08d3e24a3fec7ac