diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2020-10-09 20:00:00 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-10-10 21:04:53 +0300 |
| commit | d582484726c4c46c8580923e855665fb91e3463e (patch) | |
| tree | 0d9af930de2074da56d00ea3402a571ae0de6a58 /net/mptcp/protocol.h | |
| parent | 16cb3653803dee243547f95cb51f01bec1323cdf (diff) | |
| download | linux-d582484726c4c46c8580923e855665fb91e3463e.tar.xz | |
mptcp: fix fallback for MP_JOIN subflows
Additional/MP_JOIN subflows that do not pass some initial handshake
tests currently causes fallback to TCP. That is an RFC violation:
we should instead reset the subflow and leave the the msk untouched.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/91
Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests")
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 285dd8b2b43a..a26b33556e9b 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -348,6 +348,7 @@ void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow, struct mptcp_options_received *mp_opt); bool mptcp_subflow_data_available(struct sock *sk); void __init mptcp_subflow_init(void); +void mptcp_subflow_reset(struct sock *ssk); /* called with sk socket lock held */ int __mptcp_subflow_connect(struct sock *sk, int ifindex, |