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authorYAMAMOTO Takashi <yamamoto@valinux.co.jp>2014-10-03 14:20:48 +0900
committerFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2014-10-09 23:44:20 +0900
commit9c83c8dba9280949eda22a234d7af802ad9184a0 (patch)
treeff02f914e44a4ca67497eee09041f8d07672be54
parent75753841aa66ce1aab5f56d83ea618ede8d82193 (diff)
oxm_fields: Add a comment
Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
-rw-r--r--ryu/ofproto/oxm_fields.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/ryu/ofproto/oxm_fields.py b/ryu/ofproto/oxm_fields.py
index 1ca5f657..2e58386b 100644
--- a/ryu/ofproto/oxm_fields.py
+++ b/ryu/ofproto/oxm_fields.py
@@ -230,6 +230,10 @@ def parse(mod, buf, offset):
offset + hdr_len)
exp_hdr_len = struct.calcsize(exp_hdr_pack_str)
if exp_id == ofproto_common.ONF_EXPERIMENTER_ID:
+ # XXX
+ # This block implements EXT-256 style experimenter OXM.
+ # However, according to blp, the extension will be rectified.
+ # https://www.mail-archive.com/dev%40openvswitch.org/msg37644.html
onf_exp_type_pack_str = '!H'
(exp_type, ) = struct.unpack_from(onf_exp_type_pack_str, buf,
offset + hdr_len + exp_hdr_len)