diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2021-06-22 22:25:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-23 00:36:01 +0300 |
| commit | fde56eea01f96b664eb63033990be0fd2a945da5 (patch) | |
| tree | 2d4908623c9dfadf7bcd2f9ef69662d27122e8cd /net/mptcp/protocol.h | |
| parent | d8e336f77e3bce440f78432d259c9ddedada7b79 (diff) | |
| download | linux-fde56eea01f96b664eb63033990be0fd2a945da5.tar.xz | |
mptcp: refine mptcp_cleanup_rbuf
The current cleanup rbuf tries a bit too hard to avoid acquiring
the subflow socket lock. We may end-up delaying the needed ack,
or skip acking a blocked subflow.
Address the above extending the conditions used to trigger the cleanup
to reflect more closely what TCP does and invoking tcp_cleanup_rbuf()
on all the active subflows.
Note that we can't replicate the exact tests implemented in
tcp_cleanup_rbuf(), as MPTCP lacks some of the required info - e.g.
ping-pong mode.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-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, 0 insertions, 1 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index f4eaa5f57e3f..d8ad3270dfab 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -243,7 +243,6 @@ struct mptcp_sock { bool use_64bit_ack; /* Set when we received a 64-bit DSN */ bool csum_enabled; spinlock_t join_list_lock; - struct sock *ack_hint; struct work_struct work; struct sk_buff *ooo_last_skb; struct rb_root out_of_order_queue; |