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oxm_fields: allow None values

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will be used for table-features

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
YAMAMOTO Takashi 2013-10-28 17:08:08 +09:00 committed by FUJITA Tomonori
parent 1d2255113c
commit 4985890a55
1 changed files with 6 additions and 2 deletions
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8
ryu/ofproto/oxm_fields.py
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@ -148,7 +148,8 @@ def from_user(name_to_field, name, user_value):
else:
value = user_value
mask = None
value = t.from_user(value)
if not value is None:
value = t.from_user(value)
if not mask is None:
mask = t.from_user(mask)
return num, value, mask
@ -162,7 +163,10 @@ def to_user(num_to_field, n, v, m):
except KeyError:
t = UnknownType
name = 'field_%d' % n
value = t.to_user(v)
if not v is None:
value = t.to_user(v)
else:
value = None
if m is None:
user_value = value
else: