From mboxrd@z Thu Jan 1 00:00:00 1970 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 D543E6F for ; Wed, 24 Mar 2021 13:16:22 +0000 (UTC) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1lP3Mz-0003lT-94; Wed, 24 Mar 2021 14:16:21 +0100 From: Florian Westphal To: Cc: , Florian Westphal Subject: [RFC PATCH mptcp-next v2 6/8] mptcp: setsockopt: add SO_INCOMING_CPU Date: Wed, 24 Mar 2021 14:15:44 +0100 Message-Id: <20210324131546.13730-7-fw@strlen.de> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210324131546.13730-1-fw@strlen.de> References: <20210324131546.13730-1-fw@strlen.de> X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replicate to all subflows. Signed-off-by: Florian Westphal --- net/mptcp/sockopt.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index cb29013d7d74..6d59b25f3658 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -72,6 +72,9 @@ 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; @@ -96,6 +99,15 @@ 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) { @@ -116,6 +128,9 @@ 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; @@ -201,6 +216,7 @@ 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); @@ -517,6 +533,7 @@ static void sync_socket_options(struct mptcp_sock *msk, struct sock *ssk) ssk->sk_priority = sk->sk_priority; ssk->sk_bound_dev_if = sk->sk_bound_dev_if; + ssk->sk_incoming_cpu = sk->sk_incoming_cpu; if (sk->sk_userlocks & SOCK_SNDBUF_LOCK) WRITE_ONCE(ssk->sk_sndbuf, sk->sk_sndbuf); -- 2.26.3