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f870fa0b MM |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Multipath TCP | |
3 | * | |
4 | * Copyright (c) 2017 - 2019, Intel Corporation. | |
5 | */ | |
6 | ||
7 | #ifndef __MPTCP_PROTOCOL_H | |
8 | #define __MPTCP_PROTOCOL_H | |
9 | ||
10 | /* MPTCP connection sock */ | |
11 | struct mptcp_sock { | |
12 | /* inet_connection_sock must be the first member */ | |
13 | struct inet_connection_sock sk; | |
14 | struct socket *subflow; /* outgoing connect/listener/!mp_capable */ | |
15 | }; | |
16 | ||
17 | static inline struct mptcp_sock *mptcp_sk(const struct sock *sk) | |
18 | { | |
19 | return (struct mptcp_sock *)sk; | |
20 | } | |
21 | ||
22 | #endif /* __MPTCP_PROTOCOL_H */ |