Split ipv6 functions out from ipv4.c

src/net/ipv6.c

@@ -0,0 +1,24 @@
+#include <errno.h>
+#include <gpxe/pkbuff.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/in.h>
+
+/**
+ * Transmit IP6 packets
+ *
+ * Placeholder to allow linking. The function should be placed in net/ipv6.c
+ */
+int ipv6_tx ( struct pk_buff *pkb __unused, uint16_t trans_proto __unused,
+	      struct in6_addr *dest __unused) {
+	return -ENOSYS;
+}
+
+/**
+ * Process incoming IP6 packets
+ *
+ * Placeholder function. Should rewrite in net/ipv6.c
+ */
+void ipv6_rx ( struct pk_buff *pkb __unused,
+	       struct net_device *netdev __unused,
+	       const void *ll_source __unused ) {
+}