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| author | Mat Martineau <mathew.j.martineau@linux.intel.com> | 2020-01-21 16:56:15 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-24 13:44:07 +0100 |
| commit | f870fa0b5768842cb4690c1c11f19f28b731ae6d (patch) | |
| tree | c6681d139775fa1da79a1ba640a048b82d125a04 /include/net/mptcp.h | |
| parent | 23f4eacdd24a64e7792bdee7327d32876e14cd51 (diff) | |
| download | linux-f870fa0b5768842cb4690c1c11f19f28b731ae6d.tar.gz | |
mptcp: Add MPTCP socket stubs
Implements the infrastructure for MPTCP sockets. MPTCP sockets open one in-kernel TCP socket per subflow. These subflow sockets are only managed by the MPTCP socket that owns them and are not visible from userspace. This commit allows a userspace program to open an MPTCP socket with: sock = socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP); The resulting socket is simply a wrapper around a single regular TCP socket, without any of the MPTCP protocol implemented over the wire. Co-developed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Florian Westphal <fw@strlen.de> Co-developed-by: Peter Krystad <peter.krystad@linux.intel.com> Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com> Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/mptcp.h')
| -rw-r--r-- | include/net/mptcp.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/mptcp.h b/include/net/mptcp.h index 0573ae75c3db..98ba22379117 100644 --- a/include/net/mptcp.h +++ b/include/net/mptcp.h @@ -28,6 +28,8 @@ struct mptcp_ext { #ifdef CONFIG_MPTCP +void mptcp_init(void); + /* move the skb extension owership, with the assumption that 'to' is * newly allocated */ @@ -70,6 +72,10 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to, #else +static inline void mptcp_init(void) +{ +} + static inline void mptcp_skb_ext_move(struct sk_buff *to, const struct sk_buff *from) { @@ -82,4 +88,14 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to, } #endif /* CONFIG_MPTCP */ + +#if IS_ENABLED(CONFIG_MPTCP_IPV6) +int mptcpv6_init(void); +#elif IS_ENABLED(CONFIG_IPV6) +static inline int mptcpv6_init(void) +{ + return 0; +} +#endif + #endif /* __NET_MPTCP_H */ |