mptcp: introduce and use mptcp_pm_send_ack()
The in-kernel PM has a bit of duplicate code related to ack
generation. Create a new helper factoring out the PM-specific
needs and use it in a couple of places.
As a bonus, mptcp_subflow_send_ack() is not used anymore
outside its own compilation unit and can become static.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 2caad4a..6cf5fa1 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -508,7 +508,7 @@ void __mptcp_subflow_send_ack(struct sock *ssk)
tcp_send_ack(ssk);
}
-void mptcp_subflow_send_ack(struct sock *ssk)
+static void mptcp_subflow_send_ack(struct sock *ssk)
{
bool slow;
