[ICSK]: Move generalised functions from tcp to inet_connection_sock

This also improves reqsk_queue_prune and renames it to
inet_csk_reqsk_queue_prune, as it deals with both inet_connection_sock
and inet_request_sock objects, not just with request_sock ones thus
belonging to inet_request_sock.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 692825f..bec19d5 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -239,6 +239,13 @@
 	reqsk_free(req);
 }
 
+extern void inet_csk_reqsk_queue_prune(struct sock *parent,
+				       const unsigned long interval,
+				       const unsigned long timeout,
+				       const unsigned long max_rto);
+
+extern void inet_csk_destroy_sock(struct sock *sk);
+extern int  inet_csk_listen_start(struct sock *sk, const int nr_table_entries);
 extern void inet_csk_listen_stop(struct sock *sk);
 
 #endif /* _INET_CONNECTION_SOCK_H */
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 447d287..b52cc52 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -258,8 +258,4 @@
 	write_unlock(&queue->syn_wait_lock);
 }
 
-extern void reqsk_queue_prune(struct request_sock_queue *queue, struct sock *parent,
-			      const unsigned long interval, const unsigned long timeout,
-			      const unsigned long max_rto, int max_retries);
-
 #endif /* _REQUEST_SOCK_H */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 2423f05..077db85 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -423,9 +423,6 @@
 					    size_t len, int nonblock, 
 					    int flags, int *addr_len);
 
-extern int			inet_csk_listen_start(struct sock *sk,
-						      const int nr_table_entries);
-
 extern void			tcp_parse_options(struct sk_buff *skb,
 						  struct tcp_options_received *opt_rx,
 						  int estab);
@@ -861,9 +858,6 @@
 	tp->snd_wl1 = seq;
 }
 
-extern void inet_csk_destroy_sock(struct sock *sk);
-
-
 /*
  * Calculate(/check) TCP checksum
  */