eddd8e3588
- Generate copyright year and version instead of using hard-coded data Type: refactor Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Change-Id: I6058f5025323b3aa483f5df4a2c4371e27b5914e
143 lines
4.9 KiB
Python
143 lines
4.9 KiB
Python
#!/usr/bin/env python3
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"""GRO functional tests"""
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#
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# Add tests for:
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# - GRO
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# - Verify that sending 1500 Bytes frame without GRO enabled correctly
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# - Verify that sending 1500 Bytes frame with GRO enabled correctly
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#
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import unittest
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from scapy.packet import Raw
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from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
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from scapy.layers.inet6 import ipv6nh, IPerror6
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from scapy.layers.inet import TCP, ICMP
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from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
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from framework import VppTestCase, VppTestRunner
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from vpp_object import VppObject
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from vpp_interface import VppInterface
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""" Test_gro is a subclass of VPPTestCase classes.
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GRO tests.
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"""
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class TestGRO(VppTestCase):
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""" GRO Test Case """
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@classmethod
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def setUpClass(self):
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super(TestGRO, self).setUpClass()
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res = self.create_pg_interfaces(range(2))
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res_gro = self.create_pg_interfaces(range(2, 3), 1, 1460)
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self.create_pg_interfaces(range(3, 4), 1, 8940)
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self.pg_interfaces.append(res[0])
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self.pg_interfaces.append(res[1])
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self.pg_interfaces.append(res_gro[0])
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self.pg2.coalesce_enable()
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self.pg3.coalesce_enable()
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@classmethod
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def tearDownClass(self):
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super(TestGRO, self).tearDownClass()
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def setUp(self):
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super(TestGRO, self).setUp()
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for i in self.pg_interfaces:
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i.admin_up()
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i.config_ip4()
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i.config_ip6()
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i.disable_ipv6_ra()
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i.resolve_arp()
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i.resolve_ndp()
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def tearDown(self):
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super(TestGRO, self).tearDown()
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if not self.vpp_dead:
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for i in self.pg_interfaces:
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i.unconfig_ip4()
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i.unconfig_ip6()
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i.admin_down()
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def test_gro(self):
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""" GRO test """
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n_packets = 124
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#
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# Send 1500 bytes frame with gro disabled
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#
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p4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
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IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4,
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flags='DF') /
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TCP(sport=1234, dport=4321) /
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Raw(b'\xa5' * 1460))
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rxs = self.send_and_expect(self.pg0, n_packets * p4, self.pg1)
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for rx in rxs:
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self.assertEqual(rx[Ether].src, self.pg1.local_mac)
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self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
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self.assertEqual(rx[IP].src, self.pg0.remote_ip4)
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self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
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self.assertEqual(rx[TCP].sport, 1234)
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self.assertEqual(rx[TCP].dport, 4321)
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#
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# Send 1500 bytes frame with gro enabled on
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# output interfaces support GRO
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#
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p = []
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s = 0
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for n in range(0, n_packets):
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p.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
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IP(src=self.pg0.remote_ip4, dst=self.pg2.remote_ip4,
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flags='DF') /
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TCP(sport=1234, dport=4321, seq=s, ack=n, flags='A') /
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Raw(b'\xa5' * 1460)))
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s += 1460
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rxs = self.send_and_expect(self.pg0, p, self.pg2, n_rx=2)
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i = 0
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for rx in rxs:
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i += 1
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self.assertEqual(rx[Ether].src, self.pg2.local_mac)
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self.assertEqual(rx[Ether].dst, self.pg2.remote_mac)
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self.assertEqual(rx[IP].src, self.pg0.remote_ip4)
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self.assertEqual(rx[IP].dst, self.pg2.remote_ip4)
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self.assertEqual(rx[IP].len, 64280) # 1460 * 44 + 40 < 65536
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self.assertEqual(rx[TCP].sport, 1234)
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self.assertEqual(rx[TCP].dport, 4321)
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self.assertEqual(rx[TCP].ack, (44*i - 1))
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p4_temp = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
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IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4,
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flags='DF') /
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TCP(sport=1234, dport=4321, flags='F'))
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rxs = self.send_and_expect(self.pg2, 100*[p4_temp], self.pg0, n_rx=100)
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rx_coalesce = self.pg2.get_capture(1, timeout=1)
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rx0 = rx_coalesce[0]
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self.assertEqual(rx0[Ether].src, self.pg2.local_mac)
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self.assertEqual(rx0[Ether].dst, self.pg2.remote_mac)
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self.assertEqual(rx0[IP].src, self.pg0.remote_ip4)
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self.assertEqual(rx0[IP].dst, self.pg2.remote_ip4)
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self.assertEqual(rx0[IP].len, 52600) # 1460 * 36 + 40
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self.assertEqual(rx0[TCP].sport, 1234)
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self.assertEqual(rx0[TCP].dport, 4321)
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for rx in rxs:
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self.assertEqual(rx[Ether].src, self.pg0.local_mac)
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self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
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self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
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self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
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self.assertEqual(rx[IP].len, 40)
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self.assertEqual(rx[TCP].sport, 1234)
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self.assertEqual(rx[TCP].dport, 4321)
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if __name__ == '__main__':
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unittest.main(testRunner=VppTestRunner)
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