def create_flow_mod(dp, config):
#
matches_config = ConfigParser.get_matches(config)
matches = Matches.create_matches(dp, matches_config)
#
instr_config = ConfigParser.get_instr_config(config)
instructions = Instructions.create_instructions(dp, instr_config)
#
mod = dp.ofproto_parser.OFPFlowMod (
dp,
cookie = 0,
cookie_mask = 0,
table_id = Utils.get_table(config["table"]),
command = Utils.get_mod_command(dp, config["cmd"]),
idle_timeout = 0,
hard_timeout = 0,
priority = 0,
buffer_id = 0,
out_port = Utils.get_mod_port(dp, config["port"]),
out_group = Utils.get_mod_group(dp, config["group"]),
flags=0,
match=matches,
instructions=instructions
)
return mod
def create_buckets(dp, config):
#
buckets = []
#
# print "@@@@@@@@@@@@@@@@@@@@@@"
# print "buckets config: %s" % config
# print "@@@@@@@@@@@@@@@@@@@@@@"
#
for entry in config:
#
print "entry: %s " % entry
actions = Actions.create_actions(dp, entry["actions"])
bucket = dp.ofproto_parser.OFPBucket(
weight=Utils.to_int(entry["weight"]),
watch_port=Utils.get_mod_port(dp, entry["watch_port"]),
watch_group=Utils.get_mod_group(dp, entry["watch_group"]),
actions=actions
#entry[]
)
print "bucket: %s" % bucket
buckets.append(bucket)
print "buckets: %s" % buckets
return buckets
def create_flow_mod(dp, config):
#
matches_config = ConfigParser.get_matches(config)
matches = Matches.create_matches(dp, matches_config)
#
instr_config = ConfigParser.get_instr_config(config)
instructions = Instructions.create_instructions(dp, instr_config)
#
mod = dp.ofproto_parser.OFPFlowMod(
dp,
cookie=0,
cookie_mask=0,
table_id=Utils.get_table(config["table"]),
command=Utils.get_mod_command(dp, config["cmd"]),
idle_timeout=0,
hard_timeout=0,
priority=0,
buffer_id=0,
out_port=Utils.get_mod_port(dp, config["port"]),
out_group=Utils.get_mod_group(dp, config["group"]),
flags=0,
match=matches,
instructions=instructions)
return mod
def delete_group_mod(dp, config):
#
mod = dp.ofproto_parser.OFPGroupMod(
dp,
Utils.get_group_mod_command(dp, config["cmd"]),
Utils.get_mod_type(dp, config["type"]),
Utils.get_mod_group(dp, config["group_id"])
)
return mod
def create_group_mod(dp, config):
#
buckets_config = ConfigParser.get_buckets_config(config)
buckets = Buckets.create_buckets(dp, buckets_config)
#
mod = dp.ofproto_parser.OFPGroupMod(
dp, Utils.get_mod_command(dp, config["cmd"]),
Utils.get_mod_type(dp, config["type"]),
Utils.get_mod_group(dp, config["group_id"]), buckets)
return mod
def create_group_mod(dp, config):
#
buckets_config= ConfigParser.get_buckets_config(config)
buckets = Buckets.create_buckets(dp, buckets_config)
#
mod = dp.ofproto_parser.OFPGroupMod(
dp,
Utils.get_mod_command(dp, config["cmd"]),
Utils.get_mod_type(dp, config["type"]),
Utils.get_mod_group(dp, config["group_id"]),
buckets
)
return mod
def delete_flow_mod(dp, config):
#
mod = dp.ofproto_parser.OFPFlowMod (
dp,
cookie = 0,
cookie_mask = 0,
table_id = Utils.get_table(config["table"]),
command = Utils.get_mod_command(dp, config["cmd"]),
idle_timeout = 0,
hard_timeout = 0,
priority = 0,
buffer_id = 0,
out_port = Utils.get_mod_port(dp, config["port"]),
out_group = Utils.get_mod_group(dp, config["group"]),
flags=0
)
return mod
def create_buckets(dp, config):
#
buckets = []
#
print "buckets config: %s" % config
#
for entry in config:
#
print "entry: %s " % entry
actions = Actions.create_actions(dp, entry["actions"])
bucket = dp.ofproto_parser.OFPBucket(
weight=Utils.to_int(entry["weight"]),
watch_port=Utils.get_mod_port(dp, entry["watch_port"]),
watch_group=Utils.get_mod_group(dp, entry["watch_group"]),
actions=actions
# entry[]
)
print "bucket: %s" % bucket
buckets.append(bucket)
print "buckets: %s" % buckets
return buckets
def add_ofdpa_flow(self, datapath, priority, vlan_vid, dst, out_port):
#prerequisite
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
#the group id will be generated by increment
group_id = generate_group_id()
#vlan table
match = parser.OFPMatch(in_port=in_port, vlan_vid=vlan_vid)
type = ofproto.OFPIT_GOTO_TABLE
inst = [parser.OFPInstructionGotoTable(type, Utils.get_table("TABLE_MAC"))]
mod = parser.OFPFlowMod(datapath=datapath,
cookie = 0,
cookie_mask = 0,
table_id=Utils.get_table("TABLE_VLAN"),
command = Utils.get_mod_command(datapath, "add"),
idle_timeout = 0,
hard_timeout = 0,
priority=priority,
buffer_id = 0,
match=match,
out_port = Utils.get_mod_port(datapath, "any"),
out_group = Utils.get_mod_group(datapath, "any"),
flags=0,
instructions=inst
)
datapath.send_msg(mod)
#bridging table
match = parser.OFPMatch(eth_dst=dst, vlan_vid=vlan_vid)
mask = mac.haddr_to_bin("ff:ff:ff:ff:ff:ff")
match.set_dl_dst_masked(dst,mask)
actions = [parser.OFPActionGroup(Utils.to_int(group_id))]
type = ofproto.OFPIT_WRITE_ACTIONS
inst = [parser.OFPInstructionActions(type, actions)]
mod = parser.OFPFlowMod(datapath=datapath,
cookie = 0,
cookie_mask = 0,
table_id=Utils.get_table("TABLE_BRIDGING"),
command = Utils.get_mod_command(datapath, "add"),
idle_timeout = 0,
hard_timeout = 0,
priority=priority,
buffer_id = 0,
match=match,
out_port = Utils.get_mod_port(datapath, "any"),
out_group = Utils.get_mod_group(datapath, "any"),
flags=0,
instructions=inst
)
datapath.send_msg(mod)
#L2 Group table
actions = [parser.OFPActionOutput(out_port)]
buckets = []
bucket = datapath.ofproto_parser.OFPBucket(
weight = Utils.to_int("0"),
watch_port = Utils.get_mod_port("any"),
watch_group = Utils.get_mod_group("any"),
actions = actions
)
buckets.append(bucket)
print "buckets: %s" % buckets
mod = datapath.ofproto_parser.OFPGroupMod(
datapath,
Utils.get_mod_command(datapath, "add"),
Utils.get_mod_type(datapath, "indirect"),
Utils.get_mod_group(datapath, group_id),
buckets
)
datapath.send_msg(mod)
