From patchwork Thu Apr 8 18:49:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Westphal X-Patchwork-Id: 1464005 X-Patchwork-Delegate: pabeni@redhat.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.dev (client-ip=147.75.69.165; helo=sjc.edge.kernel.org; envelope-from=mptcp+bounces-204-incoming=patchwork.ozlabs.org@lists.linux.dev; receiver=) Received: from sjc.edge.kernel.org (sjc.edge.kernel.org [147.75.69.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FGVh136Yqz9sSC for ; Fri, 9 Apr 2021 04:50:25 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sjc.edge.kernel.org (Postfix) with ESMTPS id 1C7BF3E0F23 for ; Thu, 8 Apr 2021 18:50:24 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E28076D13; Thu, 8 Apr 2021 18:50:22 +0000 (UTC) X-Original-To: mptcp@lists.linux.dev Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [193.142.43.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 19B806D00 for ; Thu, 8 Apr 2021 18:50:22 +0000 (UTC) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1lUZjQ-00017U-D4; Thu, 08 Apr 2021 20:50:20 +0200 From: Florian Westphal To: Cc: Florian Westphal Subject: [PATCH mptcp 07/10] mptcp: setsockopt: add SO_INCOMING_CPU Date: Thu, 8 Apr 2021 20:49:33 +0200 Message-Id: <20210408184936.6245-8-fw@strlen.de> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210408184936.6245-1-fw@strlen.de> References: <20210408184936.6245-1-fw@strlen.de> X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Replicate to all subflows. Signed-off-by: Florian Westphal --- net/mptcp/sockopt.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index effc7c1efbac..6be8abbed6eb 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -101,6 +101,9 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in sk_dst_reset(ssk); } break; + case SO_INCOMING_CPU: + WRITE_ONCE(ssk->sk_incoming_cpu, val); + break; } subflow->setsockopt_seq = msk->setsockopt_seq; @@ -125,6 +128,15 @@ static int mptcp_sol_socket_intval(struct mptcp_sock *msk, int optname, int val) return 0; } +static void mptcp_so_incoming_cpu(struct mptcp_sock *msk, int val) +{ + struct sock *sk = (struct sock *)msk; + + WRITE_ONCE(sk->sk_incoming_cpu, val); + + mptcp_sol_socket_sync_intval(msk, SO_INCOMING_CPU, val); +} + static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, sockptr_t optval, unsigned int optlen) { @@ -145,6 +157,9 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, case SO_RCVBUF: case SO_RCVBUFFORCE: return mptcp_sol_socket_intval(msk, optname, val); + case SO_INCOMING_CPU: + mptcp_so_incoming_cpu(msk, val); + return 0; } return -ENOPROTOOPT; @@ -230,6 +245,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, case SO_RCVBUF: case SO_RCVBUFFORCE: case SO_MARK: + case SO_INCOMING_CPU: return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen); case SO_LINGER: return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);