diff --git a/c_gen/templates/loci_dump.h b/c_gen/templates/loci_dump.h
index c2fd53a..d44832a 100644
--- a/c_gen/templates/loci_dump.h
+++ b/c_gen/templates/loci_dump.h
@@ -94,6 +94,8 @@
 int loci_dump_match(loci_writer_f writer, void* cookie, of_match_t *match);
 #define LOCI_DUMP_match(writer, cookie, val) loci_dump_match(writer, cookie, &val)
 
+#define LOCI_DUMP_bitmap_128(writer, cookie, val) writer(cookie, "%" PRIx64 "%" PRIx64, (val).hi, (val).lo)
+
 /**
  * Generic version for any object
  */
diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index 948ee92..0cf9133 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -162,6 +162,8 @@
 int loci_show_match(loci_writer_f writer, void *cookie, of_match_t *match);
 #define LOCI_SHOW_match(writer, cookie, val) loci_show_match(writer, cookie, &val)
 
+#define LOCI_SHOW_bitmap_128(writer, cookie, val) writer(cookie, "%" PRIx64 "%" PRIx64, (val).hi, (val).lo)
+
 /**
  * Generic version for any object
  */
diff --git a/c_gen/templates/of_wire_buf.h b/c_gen/templates/of_wire_buf.h
index 8750565..117332c 100644
--- a/c_gen/templates/of_wire_buf.h
+++ b/c_gen/templates/of_wire_buf.h
@@ -876,6 +876,30 @@
 #define of_wire_buffer_ipv6_set(buf, offset, addr) \
     _wbuf_octets_set(buf, offset, (uint8_t *)&addr, sizeof(of_ipv6_t))
 
+/**
+ * Get an bitmap_128 address from a wire buffer
+ * @param wbuf The pointer to the wire buffer structure
+ * @param offset Offset in the wire buffer
+ * @param addr Pointer to where to store the bitmap_128 address
+ *
+ * Uses the octets function.
+ */
+
+#define of_wire_buffer_bitmap_128_get(buf, offset, addr) \
+    (of_wire_buffer_u64_get(buf, offset, &addr->hi), of_wire_buffer_u64_get(buf, offset+8, &addr->lo))
+
+/**
+ * Set an bitmap_128 address in a wire buffer
+ * @param wbuf The pointer to the wire buffer structure
+ * @param offset Offset in the wire buffer
+ * @param addr The variable holding bitmap_128 address to store
+ *
+ * Uses the octets function.
+ */
+
+#define of_wire_buffer_bitmap_128_set(buf, offset, addr) \
+    (of_wire_buffer_u64_set(buf, offset, addr.hi), of_wire_buffer_u64_set(buf, offset+8, addr.lo))
+
 /* Relocate data from start offset to the end of the buffer to a new position */
 static inline void
 of_wire_buffer_move_end(of_wire_buffer_t *wbuf, int start_offset, int new_offset)