util: Parameterize ethernet header initializer macro

We have separate IPv4 and IPv6 versions of a macro to construct an
initializer for ethernet headers.  However, now that we have htons_constant
it's easy to simply paramterize this with the ethernet protocol number.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 9 deletions

diff --git a/util.h b/util.h
index b4c139d..b5be7a6 100644
--- a/util.h
+++ b/util.h
@@ -102,18 +102,11 @@ int do_clone(int (*fn)(void *), char *stack_area, size_t stack_size, int flags,
 			 (void *)(arg));				\
 	} while (0)
 
-#define L2_BUF_ETH_IP4_INIT						\
+#define L2_BUF_ETH_INIT(proto)						\
 	{								\
 		.h_dest		= { 0 },				\
 		.h_source	= { 0 },				\
-		.h_proto	= htons_constant(ETH_P_IP),		\
-	}
-
-#define L2_BUF_ETH_IP6_INIT						\
-	{								\
-		.h_dest		= { 0 },				\
-		.h_source	= { 0 },				\
-		.h_proto	= htons_constant(ETH_P_IPV6),		\
+		.h_proto	= htons_constant(proto),		\
 	}
 
 #define L2_BUF_IP4_INIT(proto)						\