IPVS: netns, prepare protocol

Add support for protocol data per name-space.
in struct ip_vs_protocol, appcnt will be removed when all protos
are modified for network name-space.

This patch causes warnings of unused functions, they will be used
when next patch will be applied.

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index d14581c..6f4e089 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -28,6 +28,9 @@
 	#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
 
 	struct list_head	rs_table[IP_VS_RTAB_SIZE];
+	/* ip_vs_proto */
+	#define IP_VS_PROTO_TAB_SIZE	32	/* must be power of 2 */
+	struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
 
 	/* ip_vs_lblc */
 	int			sysctl_lblc_expiration;