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| author |   Peter Krystad <peter.krystad@linux.intel.com> | 2020-01-21 16:56:18 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-01-24 13:44:07 +0100 |
| commit | cec37a6e41aae7bf3df9a3da783380a4d9325fd8 (patch) | |
| tree | d4019305db6e52408252d9b14a566f0199c3bc85 /include/linux/tcp.h | |
| parent | mptcp: Associate MPTCP context with TCP socket (diff) | |
| download | linux-dev-cec37a6e41aae7bf3df9a3da783380a4d9325fd8.tar.xz linux-dev-cec37a6e41aae7bf3df9a3da783380a4d9325fd8.zip | |
mptcp: Handle MP_CAPABLE options for outgoing connections
Add hooks to tcp_output.c to add MP_CAPABLE to an outgoing SYN request,
to capture the MP_CAPABLE in the received SYN-ACK, to add MP_CAPABLE to
the final ACK of the three-way handshake.
Use the .sk_rx_dst_set() handler in the subflow proto to capture when the
responding SYN-ACK is received and notify the MPTCP connection layer.
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Co-developed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
| -rw-r--r-- | include/linux/tcp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 877947475814..e9ee06d887fa 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -137,6 +137,9 @@ struct tcp_request_sock { const struct tcp_request_sock_ops *af_specific; u64 snt_synack; /* first SYNACK sent time */ bool tfo_listener; +#if IS_ENABLED(CONFIG_MPTCP) + bool is_mptcp; +#endif u32 txhash; u32 rcv_isn; u32 snt_isn; |