udp: gro behind static key
Avoid the socket lookup cost in udp_gro_receive if no socket has a udp tunnel callback configured. udp_sk(sk)->gro_receive requires a registration with setup_udp_tunnel_sock, which enables the static key. Signed-off-by:Willem de Bruijn <willemb@google.com> Acked-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
2b915612
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