def runTest(self):
of_ports = pa_port_map.keys()
ing_port = of_ports[1]
egr_port = of_ports[2]
"clear swtich;"
testutils.delete_all_flows(self.controller, self.logger)
# Set table config as "continue"
testutils.set_table_config(self, testutils.EX_ACL_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.WC_ACL_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.WC_SERV_TABLE, ofp.OFPTC_TABLE_MISS_CONTROLLER, True)
testutils.set_table_config(self, testutils.EX_L2_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_VLAN_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_MPLS_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_L3_TABLE, ofp.OFPTC_TABLE_MISS_CONTROLLER, True)
#"make test packet;"
pkt = testutils.simple_icmp_packet()
inst_write_metadata = instruction.instruction_write_metadata();
inst_write_metadata.metadata = 0x20000000
inst_write_metadata.metadata_mask = 0xf0000000
testutils.write_goto(self, testutils.WC_SERV_TABLE, testutils.EX_L2_TABLE, ing_port, add_inst = inst_write_metadata)
pkt_metadata = {'metadata_val':inst_write_metadata.metadata,
'metadata_msk':inst_write_metadata.metadata_mask}
match_fields = testutils.packet_to_exact_flow_match(pkt_metadata = pkt_metadata, table_id = testutils.EX_L3_TABLE)
testutils.write_output(self, testutils.EX_L3_TABLE, egr_port, match_fields=match_fields)
testutils.reply_check_dp(self, tcp_sport=1234, ing_port = ing_port, egr_port = egr_port)
testutils.set_table_config(self, testutils.EX_L3_TABLE, ofp.OFPTC_TABLE_MISS_CONTROLLER)
def runTest(self):
"""
** Currently, same scenario with "NoGoto" **
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; do nothing // match but stop pipeline
Fourth Table; Match IP Src A; send to 2 // not match, just a fake
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.WC_ACL_TABLE, testutils.WC_SERV_TABLE)
# Set up second match
testutils.write_goto_output(self, testutils.WC_SERV_TABLE, testutils.EX_L2_TABLE,
of_ports[0], of_ports[2])
# Set up third match, "Empty Instruction"
pkt = testutils.simple_tcp_packet()
request = testutils.flow_msg_create(self, pkt, ing_port = of_ports[2], table_id = testutils.EX_L2_TABLE)
testutils.flow_msg_install(self, request)
# Set up fourth match
testutils.write_output(self, testutils.EX_VLAN_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[0]
testutils.reply_check_dp(self, tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[0])
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; do nothing // match but stop pipeline
Fourth Table; Match IP Src A; send to 2 // not match, just a fake
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_VLAN_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.EX_ACL_TABLE, testutils.WC_ACL_TABLE)
# Set up second match
testutils.write_goto_output(self, testutils.WC_ACL_TABLE, testutils.WC_SERV_TABLE, of_ports[0])
# Set up third match
testutils.write_output(self, testutils.WC_SERV_TABLE, of_ports[1], of_ports[2])
# Set up fourth match
testutils.write_output(self, testutils.EX_VLAN_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[0]
testutils.reply_check_dp(self, tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[1])
def runTest(self):
"""
Set table config as "Continue" and add flow entry:
First Table; Match IP Src A; send to 1 // not match then continue
Second Table; Match IP Src B; send to 2 // do execution
Then send in 2 packets:
IP B; expect out port 2
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set table config as "continue"
testutils.set_table_config(self, testutils.WC_ACL_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
# Set up flow entries
#write_output(self, testutils.EX_ACL_TABLE, of_ports[0], ip_src="192.168.1.10")
testutils.write_output(self,
testutils.WC_ACL_TABLE,
of_ports[0],
ip_src="192.168.1.10")
testutils.write_output(self,
testutils.WC_SERV_TABLE,
of_ports[1],
of_ports[2],
ip_src="192.168.1.70")
testutils.do_barrier(self.controller)
# Generate a packet not matching in the first table, but in the second
testutils.reply_check_dp(self,
ip_src='192.168.1.70',
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[1])
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; send to 1, goto Second Table
Second Table; Match IP Src A; write metadata, goto Third Table
Third Table; Match IP Src A and metadata; send to 2 // stop, do action
Fourth Table; Match IP Src A; send to 1 // not match, just a trap
Then send in 2 packets:
IP A, TCP C; expect out port 2
IP A, TCP B; expect out port 2
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_VLAN_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto_output(self, testutils.WC_ACL_TABLE,
testutils.WC_SERV_TABLE, of_ports[0])
# Set up second match
inst = instruction.instruction_write_metadata()
inst.metadata = 0xfedcba9876543210
inst.metadata_mask = 0xffffffffffffffff
testutils.write_goto(self,
testutils.WC_SERV_TABLE,
testutils.EX_L2_TABLE,
of_ports[2],
add_inst=inst)
# Set up third match
pkt_metadata = {
'metadata_val': inst.metadata,
'metadata_msk': inst.metadata_mask
}
match_fields = testutils.packet_to_exact_flow_match(
pkt_metadata=pkt_metadata, table_id=testutils.EX_L2_TABLE)
testutils.write_output(self,
testutils.EX_L2_TABLE,
of_ports[1],
match_fields=match_fields)
# Set up fourth match
#write_output(self, testutils.EX_VLAN_TABLE, of_ports[0])
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[1])
def runTest(self):
of_ports = pa_port_map.keys()
ing_port = of_ports[1]
egr_port = of_ports[2]
"clear swtich;"
testutils.delete_all_flows(self.controller, self.logger)
# Set table config as "continue"
testutils.set_table_config(self, testutils.EX_ACL_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.WC_ACL_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.WC_SERV_TABLE,
ofp.OFPTC_TABLE_MISS_CONTROLLER, True)
testutils.set_table_config(self, testutils.EX_L2_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_VLAN_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_MPLS_TABLE,
ofp.OFPTC_TABLE_MISS_CONTINUE, True)
testutils.set_table_config(self, testutils.EX_L3_TABLE,
ofp.OFPTC_TABLE_MISS_CONTROLLER, True)
#"make test packet;"
pkt = testutils.simple_icmp_packet()
inst_write_metadata = instruction.instruction_write_metadata()
inst_write_metadata.metadata = 0x20000000
inst_write_metadata.metadata_mask = 0xf0000000
testutils.write_goto(self,
testutils.WC_SERV_TABLE,
testutils.EX_L2_TABLE,
ing_port,
add_inst=inst_write_metadata)
pkt_metadata = {
'metadata_val': inst_write_metadata.metadata,
'metadata_msk': inst_write_metadata.metadata_mask
}
match_fields = testutils.packet_to_exact_flow_match(
pkt_metadata=pkt_metadata, table_id=testutils.EX_L3_TABLE)
testutils.write_output(self,
testutils.EX_L3_TABLE,
egr_port,
match_fields=match_fields)
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=ing_port,
egr_port=egr_port)
testutils.set_table_config(self, testutils.EX_L3_TABLE,
ofp.OFPTC_TABLE_MISS_CONTROLLER)
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; clear action, goto Fourth Table
Fourth Table; Match IP Src A; send to 2
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_L2_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
#write_goto(self, testutils.EX_ACL_TABLE, testutils.WC_ACL_TABLE)
act = action.action_set_field()
field = match.eth_src(parse.parse_mac("aa:aa:aa:aa:aa:aa"))
act.field.add(field)
testutils.write_goto_action(self,
testutils.WC_ACL_TABLE,
testutils.WC_SERV_TABLE,
act=act)
# Set up second match
testutils.write_goto_output(self, testutils.WC_SERV_TABLE,
testutils.EX_L3_TABLE, of_ports[0],
of_ports[2])
# Set up third match, "Clear Action"
inst = instruction.instruction_clear_actions()
testutils.write_goto(self,
testutils.EX_L3_TABLE,
testutils.WC_L3_TABLE,
of_ports[2],
add_inst=inst)
# Set up fourth match
testutils.write_output(self, testutils.WC_L3_TABLE, of_ports[1])
#write_output(self, testutils.EX_L2_TABLE, 4)
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[1])
def runTest(self):
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.WC_ACL_TABLE, testutils.EX_L3_TABLE)
# Set up second match
testutils.write_goto(self, testutils.WC_SERV_TABLE, testutils.EX_L2_TABLE, of_ports[2])
# Set up third match
testutils.write_goto(self, testutils.EX_L2_TABLE, testutils.EX_L3_TABLE)
# Set up fourth match
testutils.write_output(self, testutils.EX_L3_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self, tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[1])
def runTest(self):
"""
Add flow entries:
First Table; Match IP Src A; set ToS = tos1, goto Second Table
First Table; Match IP Src B; set ToS = tos2, goto Second Table
Second Table; Match IP Src A; send to 1
Second Table; Match IP Src B; send to 1
Then send packets:
IP A; expect port 1 with DSCP = dscp1
IP B; expect port 1 with DSCP = dscp2
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param dscp1 DSCP value to be set for first flow
@param dscp2 DSCP value to be set for second flow
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up flow match in table A: set ToS
#t_act = action.action_set_nw_tos()
#t_act.nw_tos = tos1
dscp1 = 4
dscp2 = 8
t_act = action.action_set_field()
t_act.field = match.ip_dscp(dscp1)
testutils.write_goto_action(self, testutils.WC_ACL_TABLE, testutils.WC_ALL_TABLE, t_act,
ip_src='192.168.1.10')
t_act.field = match.ip_dscp(dscp2)
#t_act.field = match.ip_ecn(3)
testutils.write_goto_action(self, testutils.WC_ACL_TABLE, testutils.WC_ALL_TABLE, t_act,
ip_src='192.168.1.30',clear_tag=False)
# Set up flow matches in table B: routing
testutils.write_output(self, testutils.WC_ALL_TABLE, of_ports[1], of_ports[2], ip_src="192.168.1.10")
testutils.write_output(self, testutils.WC_ALL_TABLE, of_ports[1], of_ports[2], ip_src="192.168.1.30")
# Generate packets and check them
exp_pkt = testutils.simple_tcp_packet(ip_src='192.168.1.10',
tcp_sport=1234, ip_dscp=dscp1)
testutils.reply_check_dp(self, ip_src='192.168.1.10', tcp_sport=1234,
exp_pkt=exp_pkt, ing_port=of_ports[2], egr_port=of_ports[1])
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; send to 1, goto Second Table
Second Table; Match IP Src A; write metadata, goto Third Table
Third Table; Match IP Src A and metadata; send to 2 // stop, do action
Fourth Table; Match IP Src A; send to 1 // not match, just a trap
Then send in 2 packets:
IP A, TCP C; expect out port 2
IP A, TCP B; expect out port 2
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_VLAN_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto_output(self, testutils.WC_ACL_TABLE, testutils.WC_SERV_TABLE, of_ports[0])
# Set up second match
inst = instruction.instruction_write_metadata()
inst.metadata = 0xfedcba9876543210
inst.metadata_mask = 0xffffffffffffffff
testutils.write_goto(self, testutils.WC_SERV_TABLE, testutils.EX_L2_TABLE, of_ports[2], add_inst=inst)
# Set up third match
pkt_metadata = {'metadata_val':inst.metadata, 'metadata_msk':inst.metadata_mask}
match_fields = testutils.packet_to_exact_flow_match(pkt_metadata = pkt_metadata,
table_id = testutils.EX_L2_TABLE)
testutils.write_output(self, testutils.EX_L2_TABLE, of_ports[1], match_fields=match_fields)
# Set up fourth match
#write_output(self, testutils.EX_VLAN_TABLE, of_ports[0])
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self, tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[1])
def runTest(self):
"""
** Currently, same scenario with "NoGoto" **
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; do nothing // match but stop pipeline
Fourth Table; Match IP Src A; send to 2 // not match, just a fake
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.WC_ACL_TABLE,
testutils.WC_SERV_TABLE)
# Set up second match
testutils.write_goto_output(self, testutils.WC_SERV_TABLE,
testutils.EX_L2_TABLE, of_ports[0],
of_ports[2])
# Set up third match, "Empty Instruction"
pkt = testutils.simple_tcp_packet()
request = testutils.flow_msg_create(self,
pkt,
ing_port=of_ports[2],
table_id=testutils.EX_L2_TABLE)
testutils.flow_msg_install(self, request)
# Set up fourth match
testutils.write_output(self, testutils.EX_VLAN_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[0]
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[0])
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; do nothing // match but stop pipeline
Fourth Table; Match IP Src A; send to 2 // not match, just a fake
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_VLAN_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.EX_ACL_TABLE,
testutils.WC_ACL_TABLE)
# Set up second match
testutils.write_goto_output(self, testutils.WC_ACL_TABLE,
testutils.WC_SERV_TABLE, of_ports[0])
# Set up third match
testutils.write_output(self, testutils.WC_SERV_TABLE, of_ports[1],
of_ports[2])
# Set up fourth match
testutils.write_output(self, testutils.EX_VLAN_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[0]
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[1])
def runTest(self):
"""
Add four flow entries:
First Table; Match IP Src A; goto Second Table
Second Table; Match IP Src A; send to 1, goto Third Table
Third Table; Match IP Src A; clear action, goto Fourth Table
Fourth Table; Match IP Src A; send to 2
Then send in 2 packets:
IP A, TCP C; expect out port 1
IP A, TCP B; expect out port 1
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param WC_SERV_TABLE third table
@param EX_L2_TABLE fourth table
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
#write_goto(self, testutils.EX_ACL_TABLE, testutils.WC_ACL_TABLE)
act = action.action_set_field()
field = match.eth_src(parse.parse_mac("aa:aa:aa:aa:aa:aa"))
act.field.add(field)
testutils.write_goto_action(self, testutils.WC_ACL_TABLE, testutils.WC_SERV_TABLE ,act = act)
# Set up second match
testutils.write_goto_output(self, testutils.WC_SERV_TABLE, testutils.EX_L3_TABLE, of_ports[0], of_ports[2])
# Set up third match, "Clear Action"
inst = instruction.instruction_clear_actions()
testutils.write_goto(self, testutils.EX_L3_TABLE, testutils.WC_L3_TABLE, of_ports[2], add_inst=inst)
# Set up fourth match
testutils.write_output(self, testutils.WC_L3_TABLE, of_ports[1])
#write_output(self, testutils.EX_L2_TABLE, 4)
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self, tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[1])
def runTest(self):
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up first match
testutils.write_goto(self, testutils.WC_ACL_TABLE,
testutils.EX_L3_TABLE)
# Set up second match
testutils.write_goto(self, testutils.WC_SERV_TABLE,
testutils.EX_L2_TABLE, of_ports[2])
# Set up third match
testutils.write_goto(self, testutils.EX_L2_TABLE,
testutils.EX_L3_TABLE)
# Set up fourth match
testutils.write_output(self, testutils.EX_L3_TABLE, of_ports[1])
# Generate a packet matching flow 1, 2, and 3; rcv on port[1]
testutils.reply_check_dp(self,
tcp_sport=1234,
ing_port=of_ports[2],
egr_port=of_ports[1])
def runTest(self):
"""
Set table config as "Continue" and add flow entry:
First Table; Match IP Src A; send to 1 // not match then continue
Second Table; Match IP Src B; send to 2 // do execution
Then send in 2 packets:
IP B; expect out port 2
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set table config as "continue"
testutils.set_table_config(self, testutils.WC_ACL_TABLE, ofp.OFPTC_TABLE_MISS_CONTINUE, True)
# Set up flow entries
#write_output(self, testutils.EX_ACL_TABLE, of_ports[0], ip_src="192.168.1.10")
testutils.write_output(self, testutils.WC_ACL_TABLE, of_ports[0], ip_src="192.168.1.10")
testutils.write_output(self, testutils.WC_SERV_TABLE, of_ports[1], of_ports[2],
ip_src="192.168.1.70")
testutils.do_barrier(self.controller)
# Generate a packet not matching in the first table, but in the second
testutils.reply_check_dp(self, ip_src='192.168.1.70', tcp_sport=1234,
ing_port = of_ports[2], egr_port = of_ports[1])
def runTest(self):
"""
Add flow entries:
First Table; Match IP Src A; set ToS = tos1, goto Second Table
First Table; Match IP Src B; set ToS = tos2, goto Second Table
Second Table; Match IP Src A; send to 1
Second Table; Match IP Src B; send to 1
Then send packets:
IP A; expect port 1 with DSCP = dscp1
IP B; expect port 1 with DSCP = dscp2
@param self object instance
@param EX_ACL_TABLE first table
@param WC_ACL_TABLE second table
@param dscp1 DSCP value to be set for first flow
@param dscp2 DSCP value to be set for second flow
"""
of_ports = testutils.clear_switch(self, pa_port_map.keys(), pa_logger)
# Set up flow match in table A: set ToS
#t_act = action.action_set_nw_tos()
#t_act.nw_tos = tos1
dscp1 = 4
dscp2 = 8
t_act = action.action_set_field()
t_act.field = match.ip_dscp(dscp1)
testutils.write_goto_action(self,
testutils.WC_ACL_TABLE,
testutils.WC_ALL_TABLE,
t_act,
ip_src='192.168.1.10')
t_act.field = match.ip_dscp(dscp2)
#t_act.field = match.ip_ecn(3)
testutils.write_goto_action(self,
testutils.WC_ACL_TABLE,
testutils.WC_ALL_TABLE,
t_act,
ip_src='192.168.1.30',
clear_tag=False)
# Set up flow matches in table B: routing
testutils.write_output(self,
testutils.WC_ALL_TABLE,
of_ports[1],
of_ports[2],
ip_src="192.168.1.10")
testutils.write_output(self,
testutils.WC_ALL_TABLE,
of_ports[1],
of_ports[2],
ip_src="192.168.1.30")
# Generate packets and check them
exp_pkt = testutils.simple_tcp_packet(ip_src='192.168.1.10',
tcp_sport=1234,
ip_dscp=dscp1)
testutils.reply_check_dp(self,
ip_src='192.168.1.10',
tcp_sport=1234,
exp_pkt=exp_pkt,
ing_port=of_ports[2],
egr_port=of_ports[1])