[ICSK]: Generalise tcp_listen_{start,stop}

This also moved inet_iif from tcp to inet_hashtables.h, as it is
needed by the inet_lookup callers, perhaps this needs a bit of
polishing, but for now seems fine.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index 48cc337a6566..8678313a22b4 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -558,6 +558,7 @@ struct proto {
 
         kmem_cache_t            *twsk_slab;
         unsigned int            twsk_obj_size;
+        atomic_t                *orphan_count;
 
         struct request_sock_ops *rsk_prot;