diff options
| -rw-r--r-- | ryu/lib/packet/bgp.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/ryu/lib/packet/bgp.py b/ryu/lib/packet/bgp.py index 29c5963f..adb66000 100644 --- a/ryu/lib/packet/bgp.py +++ b/ryu/lib/packet/bgp.py @@ -2661,11 +2661,12 @@ class _FlowSpecOperatorBase(_FlowSpecComponentBase): return cls(operator, value), rest def serialize_body(self): - length = (self.value.bit_length() + 7) // 8 or 1 - self.operator |= int(math.log(length, 2)) << 4 + byte_length = (self.value.bit_length() + 7) // 8 or 1 + length = int(math.ceil(math.log(byte_length, 2))) + self.operator |= length << 4 buf = struct.pack(self._OPE_PACK_STR, self.operator) - value_type = type_desc.IntDescr(length) - buf += struct.pack(self._VAL_PACK_STR % length, + value_type = type_desc.IntDescr(1 << length) + buf += struct.pack(self._VAL_PACK_STR % (1 << length), value_type.from_user(self.value)) return buf |