ipv6: move IPV6_TCLASS_MASK definition in ipv6.h

Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr>
Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/ipv6.h

@@ -238,6 +238,7 @@ struct ip6_flowlabel {
 
 #define IPV6_FLOWINFO_MASK	cpu_to_be32(0x0FFFFFFF)
 #define IPV6_FLOWLABEL_MASK	cpu_to_be32(0x000FFFFF)
+#define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK)
 
 struct ipv6_fl_socklist {
 	struct ipv6_fl_socklist	__rcu	*next;

net/ipv6/ip6_gre.c

@@ -61,7 +61,6 @@ static bool log_ecn_error = true;
 module_param(log_ecn_error, bool, 0644);
 MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN");
 
-#define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK)
 #define IPV6_TCLASS_SHIFT 20
 
 #define HASH_SIZE_SHIFT  5

net/ipv6/ip6_tunnel.c

@@ -70,7 +70,6 @@ MODULE_ALIAS_NETDEV("ip6tnl0");
 #define IP6_TNL_TRACE(x...) do {;} while(0)
 #endif
 
-#define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK)
 #define IPV6_TCLASS_SHIFT 20
 
 #define HASH_SIZE_SHIFT  5