[UDP]: Restore missing inDatagrams increments

The previous move of the the UDP inDatagrams counter caused the
counting of encapsulated packets, SUNRPC data (as opposed to call)
packets and RXRPC packets to go missing.

This patch restores all of these.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index e90f962..a84f3f6 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -164,15 +164,6 @@
 #define ICMP6MSGIN_INC_STATS_USER(idev, field) \
 	_DEVINC(icmpv6msg, _USER, idev, field)
 
-DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
-DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
-#define UDP6_INC_STATS_BH(field, is_udplite) 			      do  {  \
-	if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field);         \
-	else		SNMP_INC_STATS_BH(udp_stats_in6, field);    } while(0)
-#define UDP6_INC_STATS_USER(field, is_udplite)			       do {    \
-	if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field);         \
-	else		SNMP_INC_STATS_USER(udp_stats_in6, field);    } while(0)
-
 struct ip6_ra_chain
 {
 	struct ip6_ra_chain	*next;
diff --git a/include/net/udp.h b/include/net/udp.h
index 98755eb..98cb09c 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -139,6 +139,12 @@
 				   int (*push_pending_frames)(struct sock *));
 
 DECLARE_SNMP_STAT(struct udp_mib, udp_statistics);
+DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
+
+/* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */
+DECLARE_SNMP_STAT(struct udp_mib, udplite_statistics);
+DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
+
 /*
  * 	SNMP statistics for UDP and UDP-Lite
  */
@@ -149,6 +155,25 @@
 	if (is_udplite) SNMP_INC_STATS_BH(udplite_statistics, field);         \
 	else		SNMP_INC_STATS_BH(udp_statistics, field);    }  while(0)
 
+#define UDP6_INC_STATS_BH(field, is_udplite) 			      do  {  \
+	if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_BH(udp_stats_in6, field);    } while(0)
+#define UDP6_INC_STATS_USER(field, is_udplite)			       do {    \
+	if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_USER(udp_stats_in6, field);    } while(0)
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#define UDPX_INC_STATS_BH(sk, field) \
+	do { \
+		if ((sk)->sk_family == AF_INET) \
+			UDP_INC_STATS_BH(field, 0); \
+		else \
+			UDP6_INC_STATS_BH(field, 0); \
+	} while (0);
+#else
+#define UDPX_INC_STATS_BH(sk, field) UDP_INC_STATS_BH(field, 0)
+#endif
+
 /* /proc */
 struct udp_seq_afinfo {
 	struct module		*owner;
diff --git a/include/net/udplite.h b/include/net/udplite.h
index 635b0ea..b76b2e3 100644
--- a/include/net/udplite.h
+++ b/include/net/udplite.h
@@ -13,9 +13,6 @@
 extern struct proto 		udplite_prot;
 extern struct hlist_head 	udplite_hash[UDP_HTABLE_SIZE];
 
-/* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */
-DECLARE_SNMP_STAT(struct udp_mib, udplite_statistics);
-
 /*
  *	Checksum computation is all in software, hence simpler getfrag.
  */