From patchwork Wed Jun 30 08:11:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Y.b. Lu" X-Patchwork-Id: 469032 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 C223BC11F68 for ; Wed, 30 Jun 2021 08:01:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC9FD61C82 for ; Wed, 30 Jun 2021 08:01:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233646AbhF3IEK (ORCPT ); Wed, 30 Jun 2021 04:04:10 -0400 Received: from inva021.nxp.com ([92.121.34.21]:59842 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233368AbhF3ID7 (ORCPT ); Wed, 30 Jun 2021 04:03:59 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id EC90B20062A; Wed, 30 Jun 2021 10:01:29 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 84F8920264F; Wed, 30 Jun 2021 10:01:29 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 399F2183AC72; Wed, 30 Jun 2021 16:01:27 +0800 (+08) From: Yangbo Lu To: netdev@vger.kernel.org Cc: Yangbo Lu , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, mptcp@lists.linux.dev, Richard Cochran , "David S . Miller" , Jakub Kicinski , Mat Martineau , Matthieu Baerts , Shuah Khan , Michal Kubecek , Florian Fainelli , Andrew Lunn , Rui Sousa , Sebastien Laveze Subject: [net-next, v5, 07/11] mptcp: setsockopt: convert to mptcp_setsockopt_sol_socket_timestamping() Date: Wed, 30 Jun 2021 16:11:58 +0800 Message-Id: <20210630081202.4423-8-yangbo.lu@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210630081202.4423-1-yangbo.lu@nxp.com> References: <20210630081202.4423-1-yangbo.lu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Split timestamping handling into a new function mptcp_setsockopt_sol_socket_timestamping(). This is preparation for extending SO_TIMESTAMPING for PHC binding, since optval will no longer be integer. Signed-off-by: Yangbo Lu --- Changes for v4: - Added this patch. Changes for v5: - None. --- net/mptcp/sockopt.c | 57 +++++++++++++++++++++++++++++++-------------- 1 file changed, 40 insertions(+), 17 deletions(-) diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 092d1f635d27..ea38cbcd2ad4 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -157,19 +157,7 @@ static int mptcp_setsockopt_sol_socket_tstamp(struct mptcp_sock *msk, int optnam struct sock *ssk = mptcp_subflow_tcp_sock(subflow); bool slow = lock_sock_fast(ssk); - switch (optname) { - case SO_TIMESTAMP_OLD: - case SO_TIMESTAMP_NEW: - case SO_TIMESTAMPNS_OLD: - case SO_TIMESTAMPNS_NEW: - sock_set_timestamp(sk, optname, !!val); - break; - case SO_TIMESTAMPING_NEW: - case SO_TIMESTAMPING_OLD: - sock_set_timestamping(sk, optname, val); - break; - } - + sock_set_timestamp(sk, optname, !!val); unlock_sock_fast(ssk, slow); } @@ -178,7 +166,8 @@ static int mptcp_setsockopt_sol_socket_tstamp(struct mptcp_sock *msk, int optnam } static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, - sockptr_t optval, unsigned int optlen) + sockptr_t optval, + unsigned int optlen) { int val, ret; @@ -205,14 +194,45 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, case SO_TIMESTAMP_NEW: case SO_TIMESTAMPNS_OLD: case SO_TIMESTAMPNS_NEW: - case SO_TIMESTAMPING_OLD: - case SO_TIMESTAMPING_NEW: return mptcp_setsockopt_sol_socket_tstamp(msk, optname, val); } return -ENOPROTOOPT; } +static int mptcp_setsockopt_sol_socket_timestamping(struct mptcp_sock *msk, + int optname, + sockptr_t optval, + unsigned int optlen) +{ + struct mptcp_subflow_context *subflow; + struct sock *sk = (struct sock *)msk; + int val, ret; + + ret = mptcp_get_int_option(msk, optval, optlen, &val); + if (ret) + return ret; + + ret = sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, + KERNEL_SOCKPTR(&val), sizeof(val)); + if (ret) + return ret; + + lock_sock(sk); + + mptcp_for_each_subflow(msk, subflow) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + bool slow = lock_sock_fast(ssk); + + sock_set_timestamping(sk, optname, val); + unlock_sock_fast(ssk, slow); + } + + release_sock(sk); + + return 0; +} + static int mptcp_setsockopt_sol_socket_linger(struct mptcp_sock *msk, sockptr_t optval, unsigned int optlen) { @@ -299,9 +319,12 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, case SO_TIMESTAMP_NEW: case SO_TIMESTAMPNS_OLD: case SO_TIMESTAMPNS_NEW: + return mptcp_setsockopt_sol_socket_int(msk, optname, optval, + optlen); case SO_TIMESTAMPING_OLD: case SO_TIMESTAMPING_NEW: - return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen); + return mptcp_setsockopt_sol_socket_timestamping(msk, optname, + optval, optlen); case SO_LINGER: return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen); case SO_RCVLOWAT: