0b1bd9df33
Type: improvement Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I3102fded415c644673fb79a0fdb7a7448ce20f26
108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
#!/usr/bin/env python3
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import unittest
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from scapy.packet import Raw
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from scapy.layers.l2 import Ether
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from scapy.layers.inet import IP, UDP
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from scapy.layers.inet6 import IPv6
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from framework import VppTestCase
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from asfframework import VppTestRunner
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class TestPgTun(VppTestCase):
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"""PG Test Case"""
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def setUp(self):
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super(TestPgTun, self).setUp()
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# create 3 pg interfaces - one each ethernet, ip4-tun, ip6-tun.
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self.create_pg_interfaces(range(0, 1))
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self.pg_interfaces += self.create_pg_ip4_interfaces(range(1, 2))
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self.pg_interfaces += self.create_pg_ip6_interfaces(range(2, 3))
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for i in self.pg_interfaces:
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i.admin_up()
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for i in [self.pg0, self.pg1]:
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i.config_ip4()
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for i in [self.pg0, self.pg2]:
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i.config_ip6()
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self.pg0.resolve_arp()
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self.pg0.resolve_ndp()
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def tearDown(self):
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for i in self.pg_interfaces:
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i.unconfig_ip4()
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i.admin_down()
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i.remove_vpp_config()
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super(TestPgTun, self).tearDown()
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def test_pg_tun(self):
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"""IP[46] Tunnel Mode PG"""
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#
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# test that we can send and receive IP encap'd packets on the
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# tun interfaces
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#
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N_PKTS = 31
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# v4 tun to ethernet
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p = (
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IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4)
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/ UDP(sport=1234, dport=1234)
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/ Raw("0" * 48)
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)
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rxs = self.send_and_expect(self.pg1, p * N_PKTS, self.pg0)
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for rx in rxs:
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self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
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self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
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# v6 tun to ethernet
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p = (
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IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6)
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/ UDP(sport=1234, dport=1234)
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/ Raw("0" * 48)
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)
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rxs = self.send_and_expect(self.pg2, p * N_PKTS, self.pg0)
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for rx in rxs:
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self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
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self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
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# eth to v4 tun
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p = (
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Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
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/ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4)
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/ UDP(sport=1234, dport=1234)
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/ Raw("0" * 48)
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)
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rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
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for rx in rxs:
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rx = IP(bytes(rx))
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self.assertFalse(rx.haslayer(Ether))
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self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
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# eth to v6 tun
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p = (
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Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
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/ IPv6(src=self.pg0.remote_ip6, dst=self.pg2.remote_ip6)
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/ UDP(sport=1234, dport=1234)
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/ Raw("0" * 48)
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)
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rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg2)
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for rx in rxs:
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rx = IPv6(bytes(rx))
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self.assertFalse(rx.haslayer(Ether))
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self.assertEqual(rx[IPv6].dst, self.pg2.remote_ip6)
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if __name__ == "__main__":
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unittest.main(testRunner=VppTestRunner)
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