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-rw-r--r--net/mptcp/protocol.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
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+++ b/net/mptcp/protocol.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/* Multipath TCP
+ *
+ * Copyright (c) 2017 - 2019, Intel Corporation.
+ */
+
+#ifndef __MPTCP_PROTOCOL_H
+#define __MPTCP_PROTOCOL_H
+
+/* MPTCP connection sock */
+struct mptcp_sock {
+ /* inet_connection_sock must be the first member */
+ struct inet_connection_sock sk;
+ struct socket *subflow; /* outgoing connect/listener/!mp_capable */
+};
+
+static inline struct mptcp_sock *mptcp_sk(const struct sock *sk)
+{
+ return (struct mptcp_sock *)sk;
+}
+
+#endif /* __MPTCP_PROTOCOL_H */