def _create_lacp(self, datapath, port, req):
"""create a LACP packet."""
actor_system = datapath.ports[datapath.ofproto.OFPP_LOCAL].hw_addr
res = slow.lacp(
actor_system_priority=0xffff,
actor_system=actor_system,
actor_key=req.actor_key,
actor_port_priority=0xff,
actor_port=port,
actor_state_activity=req.LACP_STATE_PASSIVE,
actor_state_timeout=req.actor_state_timeout,
actor_state_aggregation=req.actor_state_aggregation,
actor_state_synchronization=req.actor_state_synchronization,
actor_state_collecting=req.actor_state_collecting,
actor_state_distributing=req.actor_state_distributing,
actor_state_defaulted=req.LACP_STATE_OPERATIONAL_PARTNER,
actor_state_expired=req.LACP_STATE_NOT_EXPIRED,
partner_system_priority=req.actor_system_priority,
partner_system=req.actor_system,
partner_key=req.actor_key,
partner_port_priority=req.actor_port_priority,
partner_port=req.actor_port,
partner_state_activity=req.actor_state_activity,
partner_state_timeout=req.actor_state_timeout,
partner_state_aggregation=req.actor_state_aggregation,
partner_state_synchronization=req.actor_state_synchronization,
partner_state_collecting=req.actor_state_collecting,
partner_state_distributing=req.actor_state_distributing,
partner_state_defaulted=req.actor_state_defaulted,
partner_state_expired=req.actor_state_expired,
collector_max_delay=0)
self.logger.info("SW=%s PORT=%d LACP sent.",
dpid_to_str(datapath.id), port)
self.logger.debug(str(res))
return res
def _create_lacp(self, datapath, port, req):
"""create a LACP packet."""
actor_system = datapath.ports[datapath.ofproto.OFPP_LOCAL].hw_addr
res = slow.lacp(
actor_system_priority=0xffff,
actor_system=actor_system,
actor_key=req.actor_key,
actor_port_priority=0xff,
actor_port=port,
actor_state_activity=req.LACP_STATE_PASSIVE,
actor_state_timeout=req.actor_state_timeout,
actor_state_aggregation=req.actor_state_aggregation,
actor_state_synchronization=req.actor_state_synchronization,
actor_state_collecting=req.actor_state_collecting,
actor_state_distributing=req.actor_state_distributing,
actor_state_defaulted=req.LACP_STATE_OPERATIONAL_PARTNER,
actor_state_expired=req.LACP_STATE_NOT_EXPIRED,
partner_system_priority=req.actor_system_priority,
partner_system=req.actor_system,
partner_key=req.actor_key,
partner_port_priority=req.actor_port_priority,
partner_port=req.actor_port,
partner_state_activity=req.actor_state_activity,
partner_state_timeout=req.actor_state_timeout,
partner_state_aggregation=req.actor_state_aggregation,
partner_state_synchronization=req.actor_state_synchronization,
partner_state_collecting=req.actor_state_collecting,
partner_state_distributing=req.actor_state_distributing,
partner_state_defaulted=req.actor_state_defaulted,
partner_state_expired=req.actor_state_expired,
collector_max_delay=0)
self.logger.info("SW=%s PORT=%d LACP sent.", dpid_to_str(datapath.id),
port)
self.logger.debug(str(res))
return res
def test_invalid_partner_state_collecting(self):
l = lacp(self.version,
self.actor_system_priority,
self.actor_system,
self.actor_key,
self.actor_port_priority,
self.actor_port,
self.actor_state_activity,
self.actor_state_timeout,
self.actor_state_aggregation,
self.actor_state_synchronization,
self.actor_state_collecting,
self.actor_state_distributing,
self.actor_state_defaulted,
self.actor_state_expired,
self.partner_system_priority,
self.partner_system,
self.partner_key,
self.partner_port_priority,
self.partner_port,
self.partner_state_activity,
self.partner_state_timeout,
self.partner_state_aggregation,
self.partner_state_synchronization,
-1,
self.partner_state_distributing,
self.partner_state_defaulted,
self.partner_state_expired,
self.collector_max_delay)
l.serialize()
def _s_create_lacp_first_packet(self, datapath, port):
actor_system = datapath.ports[datapath.ofproto.OFPP_LOCAL].hw_addr
req = slow.lacp(
actor_key=13,
actor_port=port,
actor_port_priority=0xff,
actor_state_activity=slow.lacp.LACP_STATE_ACTIVE,
actor_state_aggregation=slow.lacp.LACP_STATE_AGGREGATEABLE,
actor_state_defaulted=slow.lacp.LACP_STATE_DEFAULED_PARTNER,
actor_state_expired=slow.lacp.LACP_STATE_EXPIRED,
actor_system=actor_system,
actor_system_priority=0xffff,
partner_key=1,
partner_port=port,
partner_port_priority=0xff,
partner_state_activity=slow.lacp.LACP_STATE_ACTIVE,
partner_state_timeout=slow.lacp.LACP_STATE_SHORT_TIMEOUT,
partner_system_priority=0xffff)
self.logger.info("SW=%s PORT=%d LACP sent.", dpid_to_str(datapath.id),
port)
self.logger.debug(str(req))
return req
def lacp_reqreply(eth_src,
actor_system, actor_key, actor_port,
actor_port_priority=0,
actor_state_synchronization=0,
actor_state_activity=0,
actor_state_collecting=1,
actor_state_distributing=1,
partner_system='00:00:00:00:00:00',
partner_key=0,
partner_port=0,
partner_system_priority=0,
partner_port_priority=0,
partner_state_defaulted=0,
partner_state_expired=0,
partner_state_timeout=0,
partner_state_collecting=0,
partner_state_distributing=0,
partner_state_aggregation=0,
partner_state_synchronization=0,
partner_state_activity=0):
"""Return a LACP frame.
Args:
eth_src (str): source Ethernet MAC address.
actor_system (str): actor system ID (MAC address)
actor_key (int): actor's LACP key assigned to this port.
actor_port (int): actor port number.
actor_state_synchronization (int): 1 if we will use this link.
actor_state_activity (int): 1 if actively sending LACP.
actor_state_collecting (int): 1 if receiving on this link.
actor_state_distibuting (int): 1 if transmitting on this link.
partner_system (str): partner system ID (MAC address)
partner_key (int): partner's LACP key assigned to this port.
partner_port (int): partner port number.
partner_system_priority (int): partner's system priority.
partner_port_priority (int): partner's port priority.
partner_state_defaulted (int): 1 if partner reverted to defaults.
partner_state_expired (int): 1 if partner thinks LACP expired.
partner_state_timeout (int): 1 if partner has short timeout.
partner_state_collecting (int): 1 if partner receiving on this link.
partner_state_distributing (int): 1 if partner transmitting on this link.
partner_state_aggregation (int): 1 if partner can aggregate this link.
partner_state_synchronization (int): 1 if partner will use this link.
partner_state_activity (int): 1 if partner actively sends LACP.
Returns:
ryu.lib.packet.ethernet: Ethernet packet with header.
"""
pkt = build_pkt_header(
None, eth_src, slow.SLOW_PROTOCOL_MULTICAST, valve_of.ether.ETH_TYPE_SLOW)
lacp_pkt = slow.lacp(
version=1,
actor_system=actor_system,
actor_port=actor_port,
partner_system=partner_system,
partner_port=partner_port,
actor_key=actor_key,
partner_key=partner_key,
actor_system_priority=65535,
partner_system_priority=partner_system_priority,
actor_port_priority=actor_port_priority,
partner_port_priority=partner_port_priority,
actor_state_defaulted=0,
partner_state_defaulted=partner_state_defaulted,
actor_state_expired=0,
partner_state_expired=partner_state_expired,
actor_state_timeout=1,
partner_state_timeout=partner_state_timeout,
actor_state_collecting=actor_state_collecting,
partner_state_collecting=partner_state_collecting,
actor_state_distributing=actor_state_distributing,
partner_state_distributing=partner_state_distributing,
actor_state_aggregation=1,
partner_state_aggregation=partner_state_aggregation,
actor_state_synchronization=actor_state_synchronization,
partner_state_synchronization=partner_state_synchronization,
actor_state_activity=actor_state_activity,
partner_state_activity=partner_state_activity)
pkt.add_protocol(lacp_pkt)
pkt.serialize()
return pkt
def _s_lacp_active_2(self, req_lacp, src, msg):
# 将端口变为up，enabled
# 修改timeout
# 创建LACP报文，封装到ethernet中
# 发送
"""packet-in process when the received packet is LACP."""
datapath = msg.datapath
dpid = datapath.id
if dpid == 2:
return
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION:
port = msg.in_port
else:
port = msg.match['in_port']
self.logger.info("SW=%s PORT=%d LACP received.", dpid_to_str(dpid),
port)
self.logger.debug(str(req_lacp))
# when LACP arrived at disabled port, update the status of
# the slave i/f to enabled, and send a event.
if not self._get_slave_enabled(dpid, port):
self.logger.info("SW=%s PORT=%d the slave i/f has just been up.",
dpid_to_str(dpid), port)
self._set_slave_enabled(dpid, port, True)
self.send_event_to_observers(
EventSlaveStateChanged(datapath, port, True))
# set the idle_timeout time using the actor state of the
# received packet.
if req_lacp.LACP_STATE_SHORT_TIMEOUT == \
req_lacp.actor_state_timeout:
idle_timeout = req_lacp.SHORT_TIMEOUT_TIME
else:
idle_timeout = req_lacp.LONG_TIMEOUT_TIME
# when the timeout time has changed, update the timeout time of
# the slave i/f and re-enter a flow entry for the packet from
# the slave i/f with idle_timeout.
if idle_timeout != self._get_slave_timeout(dpid, port):
self.logger.info("SW=%s PORT=%d the timeout time has changed.",
dpid_to_str(dpid), port)
self._set_slave_timeout(dpid, port, idle_timeout)
func = self._add_flow.get(ofproto.OFP_VERSION)
assert func
func(src, port, idle_timeout, datapath)
actor_system = datapath.ports[datapath.ofproto.OFPP_LOCAL].hw_addr
if req_lacp.actor_state_synchronization == req_lacp.LACP_STATE_IN_SYNC:
actor_state_collecting = req_lacp.LACP_STATE_COLLECTING_ENABLED
actor_state_distributing = req_lacp.LACP_STATE_DISTRIBUTING_ENABLED
elif req_lacp.actor_state_synchronization == req_lacp.LACP_STATE_OUT_OF_SYNC:
actor_state_collecting = req_lacp.LACP_STATE_COLELCTING_DISABLED
actor_state_distributing = req_lacp.LACP_STATE_DISTRIBUTING_DISABLED
else:
raise
actor_state_synchronization = req_lacp.LACP_STATE_IN_SYNC
# create a response packet.
res = slow.lacp( #version=LACP_VERSION_NUMBER,
actor_system_priority=0xffff,
actor_system=actor_system,
actor_key=req_lacp.actor_key,
actor_port_priority=0xff,
actor_port=req_lacp.actor_port,
actor_state_activity=req_lacp.LACP_STATE_ACTIVE,
actor_state_timeout=req_lacp.actor_state_timeout,
actor_state_aggregation=req_lacp.actor_state_aggregation,
actor_state_defaulted=req_lacp.actor_state_defaulted,
actor_state_expired=req_lacp.actor_state_expired,
actor_state_collecting=actor_state_collecting,
actor_state_distributing=actor_state_distributing,
actor_state_synchronization=actor_state_synchronization,
partner_system_priority=req_lacp.actor_system_priority,
partner_system=req_lacp.actor_system,
partner_key=req_lacp.actor_key,
partner_port_priority=req_lacp.actor_port_priority,
partner_port=req_lacp.actor_port,
partner_state_activity=req_lacp.actor_state_activity,
partner_state_timeout=req_lacp.actor_state_timeout,
partner_state_aggregation=req_lacp.actor_state_aggregation,
partner_state_synchronization=req_lacp.actor_state_synchronization,
partner_state_collecting=req_lacp.actor_state_collecting,
partner_state_distributing=req_lacp.actor_state_distributing,
partner_state_defaulted=req_lacp.actor_state_defaulted,
partner_state_expired=req_lacp.actor_state_expired,
collector_max_delay=0)
# create a response packet.
res_pkt = self._s_create_eth_packet(datapath, port, res)
# packet-out the response packet.
# out_port = port
out_port = ofproto.OFPP_IN_PORT
actions = [parser.OFPActionOutput(out_port)]
# out = datapath.ofproto_parser.OFPPacketOut(
# datapath=datapath, buffer_id=ofproto.OFP_NO_BUFFER,
# data=res_pkt.data, in_port=port, actions=actions)
out = parser.OFPPacketOut(datapath=datapath,
buffer_id=ofproto.OFP_NO_BUFFER,
data=res_pkt.data,
in_port=port,
actions=actions)
datapath.send_msg(out)
if req_lacp.actor_state_distributing == req_lacp.LACP_STATE_DISTRIBUTING_ENABLED:
self._s_is_distributing = True
def setUp(self):
self.subtype = SLOW_SUBTYPE_LACP
self.version = lacp.LACP_VERSION_NUMBER
self.actor_tag = lacp.LACP_TLV_TYPE_ACTOR
self.actor_length = 20
self.actor_system_priority = 65534
self.actor_system = '00:07:0d:af:f4:54'
self.actor_key = 1
self.actor_port_priority = 65535
self.actor_port = 1
self.actor_state_activity = lacp.LACP_STATE_ACTIVE
self.actor_state_timeout = lacp.LACP_STATE_LONG_TIMEOUT
self.actor_state_aggregation = lacp.LACP_STATE_AGGREGATEABLE
self.actor_state_synchronization = lacp.LACP_STATE_IN_SYNC
self.actor_state_collecting = lacp.LACP_STATE_COLLECTING_ENABLED
self.actor_state_distributing = lacp.LACP_STATE_DISTRIBUTING_ENABLED
self.actor_state_defaulted = lacp.LACP_STATE_OPERATIONAL_PARTNER
self.actor_state_expired = lacp.LACP_STATE_EXPIRED
self.actor_state = (
(self.actor_state_activity << 0) |
(self.actor_state_timeout << 1) |
(self.actor_state_aggregation << 2) |
(self.actor_state_synchronization << 3) |
(self.actor_state_collecting << 4) |
(self.actor_state_distributing << 5) |
(self.actor_state_defaulted << 6) |
(self.actor_state_expired << 7))
self.partner_tag = lacp.LACP_TLV_TYPE_PARTNER
self.partner_length = 20
self.partner_system_priority = 0
self.partner_system = '00:00:00:00:00:00'
self.partner_key = 0
self.partner_port_priority = 0
self.partner_port = 0
self.partner_state_activity = 0
self.partner_state_timeout = lacp.LACP_STATE_SHORT_TIMEOUT
self.partner_state_aggregation = 0
self.partner_state_synchronization = 0
self.partner_state_collecting = 0
self.partner_state_distributing = 0
self.partner_state_defaulted = 0
self.partner_state_expired = 0
self.partner_state = (
(self.partner_state_activity << 0) |
(self.partner_state_timeout << 1) |
(self.partner_state_aggregation << 2) |
(self.partner_state_synchronization << 3) |
(self.partner_state_collecting << 4) |
(self.partner_state_distributing << 5) |
(self.partner_state_defaulted << 6) |
(self.partner_state_expired << 7))
self.collector_tag = lacp.LACP_TLV_TYPE_COLLECTOR
self.collector_length = 16
self.collector_max_delay = 0
self.terminator_tag = lacp.LACP_TLV_TYPE_TERMINATOR
self.terminator_length = 0
self.head_fmt = lacp._HLEN_PACK_STR
self.head_len = lacp._HLEN_PACK_LEN
self.act_fmt = lacp._ACTPRT_INFO_PACK_STR
self.act_len = lacp._ACTPRT_INFO_PACK_LEN
self.prt_fmt = lacp._ACTPRT_INFO_PACK_STR
self.prt_len = lacp._ACTPRT_INFO_PACK_LEN
self.col_fmt = lacp._COL_INFO_PACK_STR
self.col_len = lacp._COL_INFO_PACK_LEN
self.trm_fmt = lacp._TRM_PACK_STR
self.trm_len = lacp._TRM_PACK_LEN
self.length = lacp._ALL_PACK_LEN
self.head_buf = pack(self.head_fmt,
self.subtype,
self.version)
self.act_buf = pack(self.act_fmt,
self.actor_tag,
self.actor_length,
self.actor_system_priority,
addrconv.mac.text_to_bin(self.actor_system),
self.actor_key,
self.actor_port_priority,
self.actor_port,
self.actor_state)
self.prt_buf = pack(self.prt_fmt,
self.partner_tag,
self.partner_length,
self.partner_system_priority,
addrconv.mac.text_to_bin(self.partner_system),
self.partner_key,
self.partner_port_priority,
self.partner_port,
self.partner_state)
self.col_buf = pack(self.col_fmt,
self.collector_tag,
self.collector_length,
self.collector_max_delay)
self.trm_buf = pack(self.trm_fmt,
self.terminator_tag,
self.terminator_length)
self.buf = self.head_buf + self.act_buf + self.prt_buf + \
self.col_buf + self.trm_buf
self.l = lacp(self.version,
self.actor_system_priority,
self.actor_system,
self.actor_key,
self.actor_port_priority,
self.actor_port,
self.actor_state_activity,
self.actor_state_timeout,
self.actor_state_aggregation,
self.actor_state_synchronization,
self.actor_state_collecting,
self.actor_state_distributing,
self.actor_state_defaulted,
self.actor_state_expired,
self.partner_system_priority,
self.partner_system,
self.partner_key,
self.partner_port_priority,
self.partner_port,
self.partner_state_activity,
self.partner_state_timeout,
self.partner_state_aggregation,
self.partner_state_synchronization,
self.partner_state_collecting,
self.partner_state_distributing,
self.partner_state_defaulted,
self.partner_state_expired,
self.collector_max_delay)
def lacp_reqreply(eth_src,
actor_system, actor_key, actor_port,
actor_state_synchronization=0,
actor_state_activity=0,
partner_system='00:00:00:00:00:00',
partner_key=0,
partner_port=0,
partner_system_priority=0,
partner_port_priority=0,
partner_state_defaulted=0,
partner_state_expired=0,
partner_state_timeout=0,
partner_state_collecting=0,
partner_state_distributing=0,
partner_state_aggregation=0,
partner_state_synchronization=0,
partner_state_activity=0):
"""Return a LACP frame.
Args:
eth_src (str): source Ethernet MAC address.
actor_system (str): actor system ID (MAC address)
actor_key (int): actor's LACP key assigned to this port.
actor_port (int): actor port number.
actor_state_synchronization (int): 1 if we will use this link.
actor_state_activity (int): 1 if actively sending LACP.
partner_system (str): partner system ID (MAC address)
partner_key (int): partner's LACP key assigned to this port.
partner_port (int): partner port number.
partner_system_priority (int): partner's system priority.
partner_port_priority (int): partner's port priority.
partner_state_defaulted (int): 1 if partner reverted to defaults.
partner_state_expired (int): 1 if partner thinks LACP expired.
partner_state_timeout (int): 1 if partner has short timeout.
partner_state_collecting (int): 1 if partner receiving on this link.
partner_state_distributing (int): 1 if partner transmitting on this link.
partner_state_aggregation (int): 1 if partner can aggregate this link.
partner_state_synchronization (int): 1 if partner will use this link.
partner_state_activity (int): 1 if partner actively sends LACP.
Returns:
ryu.lib.packet.ethernet: Ethernet packet with header.
"""
pkt = build_pkt_header(
None, eth_src, slow.SLOW_PROTOCOL_MULTICAST, valve_of.ether.ETH_TYPE_SLOW)
lacp_pkt = slow.lacp(
version=1,
actor_system=actor_system,
actor_port=actor_port,
partner_system=partner_system,
partner_port=partner_port,
actor_key=actor_key,
partner_key=partner_key,
actor_system_priority=65535,
partner_system_priority=partner_system_priority,
actor_port_priority=255,
partner_port_priority=partner_port_priority,
actor_state_defaulted=0,
partner_state_defaulted=partner_state_defaulted,
actor_state_expired=0,
partner_state_expired=partner_state_expired,
actor_state_timeout=1,
partner_state_timeout=partner_state_timeout,
actor_state_collecting=1,
partner_state_collecting=partner_state_collecting,
actor_state_distributing=1,
partner_state_distributing=partner_state_distributing,
actor_state_aggregation=1,
partner_state_aggregation=partner_state_aggregation,
actor_state_synchronization=actor_state_synchronization,
partner_state_synchronization=partner_state_synchronization,
actor_state_activity=actor_state_activity,
partner_state_activity=partner_state_activity)
pkt.add_protocol(lacp_pkt)
pkt.serialize()
return pkt