From patchwork Mon Jan 25 18:59:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 371173 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=-21.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 9356EC43331 for ; Tue, 26 Jan 2021 19:55:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 61F1E22B51 for ; Tue, 26 Jan 2021 19:55:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387468AbhAZF3p (ORCPT ); Tue, 26 Jan 2021 00:29:45 -0500 Received: from mga05.intel.com ([192.55.52.43]:23609 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731463AbhAYTC5 (ORCPT ); Mon, 25 Jan 2021 14:02:57 -0500 IronPort-SDR: u6oamzVoyNKvg+yDVmwKFBnnmtdD21y+0JKp8N8ytJVTaQKFPW0+tXpWkMcdnQdMMO052tE+b1 vCX09Z3J4JdA== X-IronPort-AV: E=McAfee;i="6000,8403,9875"; a="264604207" X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="264604207" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:26 -0800 IronPort-SDR: B08H21B+zFrlqvm69jqBhPFBCdbYjWjq9u6HWQbIgrV/0M6Eahoj53uXI6vmmCacr5jwpPLR2h PK/UiaVK9dJw== X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="361637472" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.254.126.22]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:26 -0800 From: Mat Martineau To: netdev@vger.kernel.org Cc: Matthieu Baerts , davem@davemloft.net, kuba@kernel.org, mptcp@lists.01.org, Mat Martineau , Geliang Tang Subject: [PATCH net-next 2/5] mptcp: pm nl: support IPv4 mapped in v6 addresses Date: Mon, 25 Jan 2021 10:59:01 -0800 Message-Id: <20210125185904.6997-3-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> References: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Matthieu Baerts On one side, we can allow the creation of subflows between v4 mapped in v6 and v4 addresses. For that we look for v4mapped addresses between the local address we want to select and the remote one. On the other side, we also properly deal with received v4mapped addresses, either announced ones or set via Netlink. Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/122 Suggested-by: Mat Martineau Co-developed-by: Geliang Tang Signed-off-by: Geliang Tang Signed-off-by: Matthieu Baerts Signed-off-by: Mat Martineau --- net/mptcp/pm_netlink.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 9b1f6298bbdb..f0afff6ba015 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -60,15 +60,20 @@ static bool addresses_equal(const struct mptcp_addr_info *a, { bool addr_equals = false; - if (a->family != b->family) - return false; - - if (a->family == AF_INET) - addr_equals = a->addr.s_addr == b->addr.s_addr; + if (a->family == b->family) { + if (a->family == AF_INET) + addr_equals = a->addr.s_addr == b->addr.s_addr; #if IS_ENABLED(CONFIG_MPTCP_IPV6) - else - addr_equals = !ipv6_addr_cmp(&a->addr6, &b->addr6); + else + addr_equals = !ipv6_addr_cmp(&a->addr6, &b->addr6); + } else if (a->family == AF_INET) { + if (ipv6_addr_v4mapped(&b->addr6)) + addr_equals = a->addr.s_addr == b->addr6.s6_addr32[3]; + } else if (b->family == AF_INET) { + if (ipv6_addr_v4mapped(&a->addr6)) + addr_equals = a->addr6.s6_addr32[3] == b->addr.s_addr; #endif + } if (!addr_equals) return false; @@ -137,6 +142,7 @@ select_local_address(const struct pm_nl_pernet *pernet, struct mptcp_sock *msk) { struct mptcp_pm_addr_entry *entry, *ret = NULL; + struct sock *sk = (struct sock *)msk; rcu_read_lock(); __mptcp_flush_join_list(msk); @@ -144,11 +150,20 @@ select_local_address(const struct pm_nl_pernet *pernet, if (!(entry->addr.flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)) continue; + if (entry->addr.family != sk->sk_family) { +#if IS_ENABLED(CONFIG_MPTCP_IPV6) + if ((entry->addr.family == AF_INET && + !ipv6_addr_v4mapped(&sk->sk_v6_daddr)) || + (sk->sk_family == AF_INET && + !ipv6_addr_v4mapped(&entry->addr.addr6))) +#endif + continue; + } + /* avoid any address already in use by subflows and * pending join */ - if (entry->addr.family == ((struct sock *)msk)->sk_family && - !lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) { + if (!lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) { ret = entry; break; } From patchwork Mon Jan 25 18:59:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 370461 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=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 43A5AC433E0 for ; Mon, 25 Jan 2021 19:03:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5E7C216FD for ; Mon, 25 Jan 2021 19:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731491AbhAYTDl (ORCPT ); Mon, 25 Jan 2021 14:03:41 -0500 Received: from mga05.intel.com ([192.55.52.43]:23607 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731462AbhAYTC6 (ORCPT ); Mon, 25 Jan 2021 14:02:58 -0500 IronPort-SDR: l5Np5GohHYTu6SPsSKgrkXX9+rgcclcCWhUbGwjVlTWXJroML7UzcsuHtk8tQeVIaF+97YheQ5 bpLX48LVcTig== X-IronPort-AV: E=McAfee;i="6000,8403,9875"; a="264604209" X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="264604209" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:26 -0800 IronPort-SDR: WyraG6K4e1IxZGICzyLZ3o25F0Fzhkvy02YSVxWFU5m/7BzLWpKCTGVEYv9SYPn+TWUHEhpKKG 3HtVLSpELBCg== X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="361637474" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.254.126.22]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:26 -0800 From: Mat Martineau To: netdev@vger.kernel.org Cc: Matthieu Baerts , davem@davemloft.net, kuba@kernel.org, mptcp@lists.01.org, Mat Martineau Subject: [PATCH net-next 3/5] mptcp: pm nl: reduce variable scope Date: Mon, 25 Jan 2021 10:59:02 -0800 Message-Id: <20210125185904.6997-4-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> References: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Matthieu Baerts To avoid confusions like when working on the previous patch, better to declare and assign this variable only where it is needed. Signed-off-by: Matthieu Baerts Signed-off-by: Mat Martineau --- net/mptcp/pm_netlink.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index f0afff6ba015..83976b9ee99b 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -325,7 +325,6 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk) static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) { - struct mptcp_addr_info remote = { 0 }; struct sock *sk = (struct sock *)msk; struct mptcp_pm_addr_entry *local; struct pm_nl_pernet *pernet; @@ -359,13 +358,14 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) /* check if should create a new subflow */ if (msk->pm.local_addr_used < msk->pm.local_addr_max && msk->pm.subflows < msk->pm.subflows_max) { - remote_address((struct sock_common *)sk, &remote); - local = select_local_address(pernet, msk); if (local) { + struct mptcp_addr_info remote = { 0 }; + msk->pm.local_addr_used++; msk->pm.subflows++; check_work_pending(msk); + remote_address((struct sock_common *)sk, &remote); spin_unlock_bh(&msk->pm.lock); __mptcp_subflow_connect(sk, &local->addr, &remote); spin_lock_bh(&msk->pm.lock); From patchwork Mon Jan 25 18:59:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 371211 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=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 EAA92C43332 for ; Tue, 26 Jan 2021 05:30:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C00FD229C4 for ; Tue, 26 Jan 2021 05:30:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387528AbhAZF35 (ORCPT ); Tue, 26 Jan 2021 00:29:57 -0500 Received: from mga05.intel.com ([192.55.52.43]:23609 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731519AbhAYTE3 (ORCPT ); Mon, 25 Jan 2021 14:04:29 -0500 IronPort-SDR: oSuBUKVG/ncYNy9s9jyTWuJq77cdJbrpfEwyNU2y1tVwu6/yt5BG9+25TeAFJ/Djjh6gBYZLh5 mbO5b9l4n/Lw== X-IronPort-AV: E=McAfee;i="6000,8403,9875"; a="264604211" X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="264604211" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:27 -0800 IronPort-SDR: dq2Htcvba45YiG9g+hjaKZ0z4SJfpW8OilcQlFsaxigNuEevtfuxLJVGWA+YJe0CTOak/lvkau yQ5ioEDo3TKA== X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="361637479" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.254.126.22]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 10:59:27 -0800 From: Mat Martineau To: netdev@vger.kernel.org Cc: Matthieu Baerts , davem@davemloft.net, kuba@kernel.org, mptcp@lists.01.org, Mat Martineau Subject: [PATCH net-next 5/5] selftests: increase timeout to 10 min Date: Mon, 25 Jan 2021 10:59:04 -0800 Message-Id: <20210125185904.6997-6-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> References: <20210125185904.6997-1-mathew.j.martineau@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Matthieu Baerts On slow systems with kernel debug settings, we can reach the current timeout when all tests are executed. Likely some tests need be improved to remove some 'sleep' and wait (less) for a specific action. This can also improve stability. Signed-off-by: Matthieu Baerts Signed-off-by: Mat Martineau --- tools/testing/selftests/net/mptcp/settings | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/mptcp/settings b/tools/testing/selftests/net/mptcp/settings index 026384c189c9..a62d2fa1275c 100644 --- a/tools/testing/selftests/net/mptcp/settings +++ b/tools/testing/selftests/net/mptcp/settings @@ -1 +1 @@ -timeout=450 +timeout=600