openstack/os-ken
Code Issues Proposed changes

Implement NX Resubmit-table action

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Signed-off-by: YAMAMOTO Takashi <imuwoto@gmail.com>
Tested-by: Gal Sagie <gal.sagie@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
YAMAMOTO Takashi 2015-07-04 01:39:49 +09:00 committed by FUJITA Tomonori
parent ecd1e4209a
commit 2cc542c4d7
1 changed files with 36 additions and 0 deletions
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36
ryu/ofproto/nx_actions.py
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@ -380,6 +380,41 @@ def generate(ofp_name, ofpp_name):
msg_pack_into('!%ds' % len(data), buf, offset + payload_offset,
bytes(data))
class NXActionResubmitTable(NXAction):
_subtype = nicira_ext.NXAST_RESUBMIT_TABLE
# in_port, table_id
_fmt_str = '!HB3x'
def __init__(self,
in_port,
table_id,
type_=None, len_=None, experimenter=None, subtype=None):
super(NXActionResubmitTable, self).__init__()
self.in_port = in_port
self.table_id = table_id
@classmethod
def parse(cls, buf):
(in_port,
table_id) = struct.unpack_from(
NXActionResubmitTable._fmt_str, buf, 0)
return cls(in_port, table_id)
def serialize(self, buf, offset):
data = bytearray()
msg_pack_into(NXActionResubmitTable._fmt_str, data, 0,
self.in_port,
self.table_id)
payload_offset = (
ofp.OFP_ACTION_EXPERIMENTER_HEADER_SIZE +
struct.calcsize(NXAction._fmt_str)
)
self.len = utils.round_up(payload_offset + len(data), 8)
super(NXActionResubmitTable, self).serialize(buf, offset)
msg_pack_into('!%ds' % len(data), buf, offset + payload_offset,
bytes(data))
def add_attr(k, v):
v.__module__ = ofpp.__name__ # Necessary for stringify stuff
setattr(ofpp, k, v)
@ -391,6 +426,7 @@ def generate(ofp_name, ofpp_name):
'NXActionRegMove',
'NXActionLearn',
'NXActionConjunction',
'NXActionResubmitTable',
'_NXFlowSpec', # exported for testing
'NXFlowSpecMatch',
'NXFlowSpecLoad',