support of_bitmap_128_t in core, loci, and pyloxi
diff --git a/py_gen/oftype.py b/py_gen/oftype.py
index a6620ab..c378cea 100644
--- a/py_gen/oftype.py
+++ b/py_gen/oftype.py
@@ -101,6 +101,11 @@
pack='%s',
unpack='str(%s.read_all())'),
+ 'of_bitmap_128_t': OFTypeData(
+ init='set()',
+ pack='util.pack_bitmap_128(%s)',
+ unpack="util.unpack_bitmap_128(%s)"),
+
# HACK need the match_v3 length field
'list(of_oxm_t)': OFTypeData(
init='[]',
diff --git a/py_gen/templates/util.py b/py_gen/templates/util.py
index c4de5a3..1566e82 100644
--- a/py_gen/templates/util.py
+++ b/py_gen/templates/util.py
@@ -142,3 +142,23 @@
def pack_list(values):
return "".join([x.pack() for x in values])
+
+MASK64 = (1 << 64) - 1
+
+def pack_bitmap_128(value):
+ x = 0l
+ for y in value:
+ x |= 1 << y
+ return struct.pack("!QQ", (x >> 64) & MASK64, x & MASK64)
+
+def unpack_bitmap_128(reader):
+ hi, lo = reader.read("!QQ")
+ x = (hi << 64) | lo
+ i = 0
+ value = set()
+ while x != 0:
+ if x & 1 == 1:
+ value.add(i)
+ i += 1
+ x >>= 1
+ return value