diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2020-06-17 12:08:56 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-06-18 20:25:51 -0700 |
| commit | 8fd4de1275580a1befa1456d1070eaf6489fb48f (patch) | |
| tree | c3f4112be44ae124eccc0306e0425825703d3d94 /net/mptcp/protocol.h | |
| parent | 5eea3a63ff4aba6a26002e657a6d21934b7e2b96 (diff) | |
| download | linux-8fd4de1275580a1befa1456d1070eaf6489fb48f.tar.bz2 | |
mptcp: cache msk on MP_JOIN init_req
The msk ownership is transferred to the child socket at
3rd ack time, so that we avoid more lookups later. If the
request does not reach the 3rd ack, the MSK reference is
dropped at request sock release time.
As a side effect, fallback is now tracked by a NULL msk
reference instead of zeroed 'mp_join' field. This will
simplify the next patch.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 db56535dfc29..c6eeaf3e8dcb 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -249,6 +249,7 @@ struct mptcp_subflow_request_sock { u64 thmac; u32 local_nonce; u32 remote_nonce; + struct mptcp_sock *msk; }; static inline struct mptcp_subflow_request_sock * |