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authorPaolo Abeni <pabeni@redhat.com>2020-09-14 10:01:18 +0200
committerDavid S. Miller <davem@davemloft.net>2020-09-14 13:28:02 -0700
commitc76c6956566f974bac2470bd72fc22fb923e04a1 (patch)
tree42fe158385a63cb0a139c9afdd8982419ffdac0f /include/net/tcp.h
parentd5f49190def61c47b2faff170ba8fbc48bac4371 (diff)
downloadlinux-c76c6956566f974bac2470bd72fc22fb923e04a1.tar.gz
mptcp: call tcp_cleanup_rbuf on subflows
That is needed to let the subflows announce promptly when new
space is available in the receive buffer.

tcp_cleanup_rbuf() is currently a static function, drop the
scope modifier and add a declaration in the TCP header.

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e85d564446c6..852f0d71dd40 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1414,6 +1414,8 @@ static inline int tcp_full_space(const struct sock *sk)
 	return tcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf));
 }
 
+void tcp_cleanup_rbuf(struct sock *sk, int copied);
+
 /* We provision sk_rcvbuf around 200% of sk_rcvlowat.
  * If 87.5 % (7/8) of the space has been consumed, we want to override
  * SO_RCVLOWAT constraint, since we are receiving skbs with too small