[MPTCP] [RFC PATCH 10/16] mptcp: Add getname() socket operation

[MPTCP] [RFC PATCH 10/16] mptcp: Add getname() socket operation

[Mat Martineau]

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From: Peter Krystad <peter.krystad(a)intel.com>

Signed-off-by: Peter Krystad <peter.krystad(a)intel.com>
---
 net/mptcp/protocol.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 373e89cf8eda..bf35d86a20ff 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -218,6 +218,22 @@ int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 	return err;
 }
 
+int mptcp_getname(struct socket *sock, struct sockaddr *uaddr, int peer)
+{
+	struct mptcp_sock *msk = mptcp_sk(sock->sk);
+	struct socket *subflow;
+	int err = -EPERM;
+
+	if (msk->connection_list)
+		subflow = msk->connection_list;
+	else
+		subflow = msk->subflow;
+
+	err = inet_getname(subflow, uaddr, peer);
+
+	return err;
+}
+
 int mptcp_listen(struct socket *sock, int backlog)
 {
 	struct mptcp_sock *msk = mptcp_sk(sock->sk);
@@ -254,7 +270,7 @@ const struct proto_ops mptcp_stream_ops = {
 	.connect	   = mptcp_stream_connect,
 	.socketpair	   = sock_no_socketpair,
 	.accept		   = inet_accept,
-	.getname	   = inet_getname,
+	.getname	   = mptcp_getname,
 	.poll		   = tcp_poll,
 	.ioctl		   = inet_ioctl,
 	.listen		   = mptcp_listen,
-- 
2.16.3