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authorMohsin Kazmi <sykazmi@cisco.com>2020-08-11 15:00:44 +0200
committerBenoƮt Ganne <bganne@cisco.com>2020-08-14 09:38:58 +0000
commitf382b06febf2b26c37fd384824a1915e16517a2b (patch)
tree0d53d28cbc1b089b45d3add515bea6a298512665 /test/test_gro.py
parentc3ed1c99134d063dff03c4babe0ebbf5cc0e8ab2 (diff)
gso: packet coalesce library
Type: feature Change-Id: Ia19d3611e596d9ec47509889b34e8fe793a0ccc3 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'test/test_gro.py')
-rw-r--r--test/test_gro.py142
1 files changed, 142 insertions, 0 deletions
diff --git a/test/test_gro.py b/test/test_gro.py
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+++ b/test/test_gro.py
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+#!/usr/bin/env python3
+"""GRO functional tests"""
+
+#
+# Add tests for:
+# - GRO
+# - Verify that sending 1500 Bytes frame without GRO enabled correctly
+# - Verify that sending 1500 Bytes frame with GRO enabled correctly
+#
+import unittest
+
+from scapy.packet import Raw
+from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
+from scapy.layers.inet6 import ipv6nh, IPerror6
+from scapy.layers.inet import TCP, ICMP
+from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
+
+from framework import VppTestCase, VppTestRunner
+from vpp_object import VppObject
+from vpp_interface import VppInterface
+
+
+""" Test_gro is a subclass of VPPTestCase classes.
+ GRO tests.
+"""
+
+
+class TestGRO(VppTestCase):
+ """ GRO Test Case """
+
+ @classmethod
+ def setUpClass(self):
+ super(TestGRO, self).setUpClass()
+ res = self.create_pg_interfaces(range(2))
+ res_gro = self.create_pg_interfaces(range(2, 3), 1, 1460)
+ self.create_pg_interfaces(range(3, 4), 1, 8940)
+ self.pg_interfaces.append(res[0])
+ self.pg_interfaces.append(res[1])
+ self.pg_interfaces.append(res_gro[0])
+ self.pg2.coalesce_enable()
+ self.pg3.coalesce_enable()
+
+ @classmethod
+ def tearDownClass(self):
+ super(TestGRO, self).tearDownClass()
+
+ def setUp(self):
+ super(TestGRO, self).setUp()
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.disable_ipv6_ra()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestGRO, self).tearDown()
+ if not self.vpp_dead:
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_gro(self):
+ """ GRO test """
+
+ n_packets = 124
+ #
+ # Send 1500 bytes frame with gro disabled
+ #
+ p4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4,
+ flags='DF') /
+ TCP(sport=1234, dport=4321) /
+ Raw(b'\xa5' * 1460))
+
+ rxs = self.send_and_expect(self.pg0, n_packets * p4, self.pg1)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg1.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 4321)
+
+ #
+ # Send 1500 bytes frame with gro enabled on
+ # output interfaces support GRO
+ #
+ p = []
+ s = 0
+ for n in range(0, n_packets):
+ p.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg2.remote_ip4,
+ flags='DF') /
+ TCP(sport=1234, dport=4321, seq=s, ack=n, flags='A') /
+ Raw(b'\xa5' * 1460)))
+ s += 1460
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg2, n_rx=2)
+
+ i = 0
+ for rx in rxs:
+ i += 1
+ self.assertEqual(rx[Ether].src, self.pg2.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg2.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_ip4)
+ self.assertEqual(rx[IP].len, 64280) # 1460 * 44 + 40 < 65536
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 4321)
+ self.assertEqual(rx[TCP].ack, (44*i - 1))
+
+ p4_temp = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4,
+ flags='DF') /
+ TCP(sport=1234, dport=4321, flags='F'))
+
+ rxs = self.send_and_expect(self.pg2, 100*[p4_temp], self.pg0, n_rx=100)
+ rx_coalesce = self.pg2.get_capture(1, timeout=1)
+
+ rx0 = rx_coalesce[0]
+ self.assertEqual(rx0[Ether].src, self.pg2.local_mac)
+ self.assertEqual(rx0[Ether].dst, self.pg2.remote_mac)
+ self.assertEqual(rx0[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(rx0[IP].dst, self.pg2.remote_ip4)
+ self.assertEqual(rx0[IP].len, 52600) # 1460 * 36 + 40
+ self.assertEqual(rx0[TCP].sport, 1234)
+ self.assertEqual(rx0[TCP].dport, 4321)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(rx[IP].len, 40)
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 4321)
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)