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 3C9876D13 for ; Thu, 8 Apr 2021 18:50:26 +0000 (UTC) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1lUZjU-00017v-Sl; Thu, 08 Apr 2021 20:50:24 +0200 From: Florian Westphal To: Cc: Florian Westphal Subject: [PATCH mptcp 08/10] mptcp: setsockopt: SO_DEBUG and no-op options Date: Thu, 8 Apr 2021 20:49:34 +0200 Message-Id: <20210408184936.6245-9-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 Handle SO_DEBUG and set it on all subflows. Ignore those values not implemented on TCP sockets. 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 6be8abbed6eb..e7a710d1d1de 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -77,6 +77,9 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in bool slow = lock_sock_fast(ssk); switch (optname) { + case SO_DEBUG: + sock_valbool_flag(ssk, SOCK_DBG, !!val); + break; case SO_KEEPALIVE: if (ssk->sk_prot->keepalive) ssk->sk_prot->keepalive(ssk, !!val); @@ -150,6 +153,7 @@ 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_DEBUG: case SO_MARK: case SO_PRIORITY: case SO_SNDBUF: @@ -246,9 +250,21 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, case SO_RCVBUFFORCE: case SO_MARK: case SO_INCOMING_CPU: + case SO_DEBUG: return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen); case SO_LINGER: return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen); + case SO_NO_CHECK: + case SO_DONTROUTE: + case SO_BROADCAST: + case SO_BSDCOMPAT: + case SO_PASSCRED: + case SO_PASSSEC: + case SO_RXQ_OVFL: + case SO_WIFI_STATUS: + case SO_NOFCS: + case SO_SELECT_ERR_QUEUE: + return 0; } return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval, optlen); -- 2.26.3