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 570636D00 for ; Thu, 8 Apr 2021 18:50:17 +0000 (UTC) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1lUZjL-00017C-UO; Thu, 08 Apr 2021 20:50:15 +0200 From: Florian Westphal To: Cc: Florian Westphal Subject: [PATCH mptcp 06/10] mptcp: setsockopt: add SO_MARK support Date: Thu, 8 Apr 2021 20:49:32 +0200 Message-Id: <20210408184936.6245-7-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 Content-Transfer-Encoding: 8bit Value is synced to all subflows. Signed-off-by: Florian Westphal --- net/mptcp/sockopt.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 90a0282520c6..effc7c1efbac 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -95,6 +95,12 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in ssk->sk_userlocks |= SOCK_RCVBUF_LOCK; WRITE_ONCE(ssk->sk_rcvbuf, sk->sk_rcvbuf); break; + case SO_MARK: + if (READ_ONCE(ssk->sk_mark) != sk->sk_mark) { + ssk->sk_mark = sk->sk_mark; + sk_dst_reset(ssk); + } + break; } subflow->setsockopt_seq = msk->setsockopt_seq; @@ -132,6 +138,7 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, case SO_KEEPALIVE: mptcp_sol_socket_sync_intval(msk, optname, val); return 0; + case SO_MARK: case SO_PRIORITY: case SO_SNDBUF: case SO_SNDBUFFORCE: @@ -222,6 +229,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, case SO_SNDBUFFORCE: case SO_RCVBUF: case SO_RCVBUFFORCE: + case SO_MARK: return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen); case SO_LINGER: return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen); -- 2.26.3