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improve dhcpv6 relay-reply test #7105

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Merged
jcaiMR merged 1 commit into from
Jan 9, 2023
Merged

improve dhcpv6 relay-reply test #7105

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8 changes: 8 additions & 0 deletions ansible/roles/test/files/ptftests/py3/dhcpv6_counter_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@
DHCP6_RelayReply = scapy.layers.dhcp6.DHCP6_RelayReply
DHCP6OptRelayMsg = scapy.layers.dhcp6.DHCP6OptRelayMsg
DHCP6OptAuth = scapy.layers.dhcp6.DHCP6OptAuth
DHCP6OptClientId = scapy.layers.dhcp6.DHCP6OptClientId
DUID_LLT = scapy.layers.dhcp6.DUID_LLT


class DataplaneBaseTest(BaseTest):
Expand Down Expand Up @@ -80,6 +82,7 @@ def setUp(self):
self.dut_mac = self.test_params['dut_mac']
self.vlan_ip = self.test_params['vlan_ip']
self.client_mac = self.dataplane.get_mac(0, self.client_port_index)
self.reference = 0

def generate_client_interace_ipv6_link_local_address(self, client_port_index):
# Shutdown and startup the client interface to generate a proper IPv6 link-local address
Expand Down Expand Up @@ -127,7 +130,12 @@ def create_server_packet(self, message):
packet /= IPv6(src=self.server_ip, dst=self.relay_iface_ip)
packet /= ptf.packet.UDP(sport=self.DHCP_SERVER_PORT, dport=self.DHCP_SERVER_PORT)
packet /= DHCP6_RelayReply(msgtype=13, linkaddr=self.vlan_ip, peeraddr=self.client_link_local)
if self.reference % 3 == 0:
packet /= DHCP6OptClientId(duid=DUID_LLT(lladdr=self.dut_mac))
packet /= DHCP6OptRelayMsg(message=[message(trid=12345)])
if self.reference % 3 == 1:
packet /= DHCP6OptClientId(duid=DUID_LLT(lladdr=self.dut_mac))
self.reference += 1

return packet

Expand Down