path: root/include/net
diff options
authorMat Martineau <mathew.j.martineau@linux.intel.com>2020-01-21 16:56:15 -0800
committerDavid S. Miller <davem@davemloft.net>2020-01-24 13:44:07 +0100
commitf870fa0b5768842cb4690c1c11f19f28b731ae6d (patch)
treec6681d139775fa1da79a1ba640a048b82d125a04 /include/net
parentMerge branch 'net-bridge-add-per-vlan-state-option' (diff)
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')
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 {
+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,
+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 */
+int mptcpv6_init(void);
+static inline int mptcpv6_init(void)
+ return 0;
#endif /* __NET_MPTCP_H */