From: Erik Hugne Date: Wed, 29 Mar 2017 09:22:16 +0000 (+0200) Subject: tipc: add support for stream/seqpacket socketpairs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=70b03759e9ecfae400605fa34f3d7154cccbbba3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git tipc: add support for stream/seqpacket socketpairs sockets A and B are connected back-to-back, similar to what AF_UNIX does. Signed-off-by: Erik Hugne Signed-off-by: Parthasarathy Bhuvaragan Signed-off-by: David S. Miller --- diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 7130e73bd42c..1198dddf72e8 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2511,6 +2511,16 @@ static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) } } +static int tipc_socketpair(struct socket *sock1, struct socket *sock2) +{ + struct tipc_sock *tsk2 = tipc_sk(sock2->sk); + struct tipc_sock *tsk1 = tipc_sk(sock1->sk); + + tipc_sk_finish_conn(tsk1, tsk2->portid, 0); + tipc_sk_finish_conn(tsk2, tsk1->portid, 0); + return 0; +} + /* Protocol switches for the various types of TIPC sockets */ static const struct proto_ops msg_ops = { @@ -2540,7 +2550,7 @@ static const struct proto_ops packet_ops = { .release = tipc_release, .bind = tipc_bind, .connect = tipc_connect, - .socketpair = sock_no_socketpair, + .socketpair = tipc_socketpair, .accept = tipc_accept, .getname = tipc_getname, .poll = tipc_poll, @@ -2561,7 +2571,7 @@ static const struct proto_ops stream_ops = { .release = tipc_release, .bind = tipc_bind, .connect = tipc_connect, - .socketpair = sock_no_socketpair, + .socketpair = tipc_socketpair, .accept = tipc_accept, .getname = tipc_getname, .poll = tipc_poll,