summaryrefslogtreecommitdiffstats
path: root/test/test_gro.py
diff options
context:
space:
mode:
Diffstat (limited to 'test/test_gro.py')
-rw-r--r--test/test_gro.py116
1 files changed, 67 insertions, 49 deletions
diff --git a/test/test_gro.py b/test/test_gro.py
index 6c68299d7f4..7e6b03c91d4 100644
--- a/test/test_gro.py
+++ b/test/test_gro.py
@@ -26,7 +26,7 @@ from vpp_interface import VppInterface
class TestGRO(VppTestCase):
- """ GRO Test Case """
+ """GRO Test Case"""
@classmethod
def setUpClass(self):
@@ -63,17 +63,18 @@ class TestGRO(VppTestCase):
i.admin_down()
def test_gro(self):
- """ GRO test """
+ """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))
+ 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:
@@ -91,11 +92,14 @@ class TestGRO(VppTestCase):
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)))
+ 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)
@@ -110,14 +114,15 @@ class TestGRO(VppTestCase):
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))
+ 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'))
+ 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)
+ 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]
@@ -144,12 +149,16 @@ class TestGRO(VppTestCase):
p = []
s = 0
for n in range(0, 88):
- p.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6, dst=self.pg2.remote_ip6) /
- TCP(sport=1234, dport=4321, seq=s, ack=n, flags='A') /
- Raw(b'\xa5' * 1460)))
+ p.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg2.remote_ip6)
+ / TCP(sport=1234, dport=4321, seq=s, ack=n, flags="A")
+ / Raw(b"\xa5" * 1460)
+ )
+ )
s += 1460
- p[-1][TCP].flags = 'AP' # push to flush second packet
+ p[-1][TCP].flags = "AP" # push to flush second packet
rxs = self.send_and_expect(self.pg0, p, self.pg2, n_rx=2)
@@ -163,7 +172,7 @@ class TestGRO(VppTestCase):
self.assertEqual(rx[IPv6].plen, 64260) # 1460 * 44 + 20 < 65536
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 4321)
- self.assertEqual(rx[TCP].ack, (44*i - 1))
+ self.assertEqual(rx[TCP].ack, (44 * i - 1))
#
# Send a series of 1500 bytes packets each followed by a packet with a
@@ -172,18 +181,23 @@ class TestGRO(VppTestCase):
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=2*n, flags='A') /
- Raw(b'\xa5' * 1460)))
+ 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=2 * n, flags="A")
+ / Raw(b"\xa5" * 1460)
+ )
+ )
s += 1460
- 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=2*n+1,
- flags='AP') /
- Raw(b'\xa5' * 1340)))
+ 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=2 * n + 1, flags="AP")
+ / Raw(b"\xa5" * 1340)
+ )
+ )
s += 1340
rxs = self.send_and_expect(self.pg0, p, self.pg2, n_rx=n_packets)
@@ -197,7 +211,7 @@ class TestGRO(VppTestCase):
self.assertEqual(rx[IP].len, 40 + 1460 + 1340)
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 4321)
- self.assertEqual(rx[TCP].ack, (2*i + 1))
+ self.assertEqual(rx[TCP].ack, (2 * i + 1))
i += 1
#
@@ -209,20 +223,24 @@ class TestGRO(VppTestCase):
s = 0
for n in range(0, n_packets):
i = self.pg0
- p.append((Ether(src=i.remote_mac, dst=i.local_mac) /
- IP(src=i.remote_ip4, dst=self.pg2.remote_ip4,
- flags='DF') /
- TCP(sport=1234, dport=4321, seq=s, ack=2*n, flags='A') /
- Raw(b'\xa5' * 1459)))
+ p.append(
+ (
+ Ether(src=i.remote_mac, dst=i.local_mac)
+ / IP(src=i.remote_ip4, dst=self.pg2.remote_ip4, flags="DF")
+ / TCP(sport=1234, dport=4321, seq=s, ack=2 * n, flags="A")
+ / Raw(b"\xa5" * 1459)
+ )
+ )
s += 1459
- p2 = (Ether(src=i.remote_mac, dst=i.local_mac) /
- IP(src=i.remote_ip4, dst=self.pg2.remote_ip4,
- flags='DF', len=41) /
- TCP(sport=1234, dport=4321, seq=s, ack=2*n+1, flags='A') /
- Raw(b'\xa5'))
+ p2 = (
+ Ether(src=i.remote_mac, dst=i.local_mac)
+ / IP(src=i.remote_ip4, dst=self.pg2.remote_ip4, flags="DF", len=41)
+ / TCP(sport=1234, dport=4321, seq=s, ack=2 * n + 1, flags="A")
+ / Raw(b"\xa5")
+ )
# first compute csum of pkt w/o padding to work around scapy bug
p2 = Ether(bytes(p2))
- p.append(p2 / Raw(b'\xa5' * 5)) # 1 byte data + 5 bytes padding
+ p.append(p2 / Raw(b"\xa5" * 5)) # 1 byte data + 5 bytes padding
s += 1
rxs = self.send_and_expect(self.pg0, p, self.pg2, n_rx=n_packets)
@@ -236,9 +254,9 @@ class TestGRO(VppTestCase):
self.assertEqual(rx[IP].len, 40 + 1459 + 1)
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 4321)
- self.assertEqual(rx[TCP].ack, (2*i + 1))
+ self.assertEqual(rx[TCP].ack, (2 * i + 1))
i += 1
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)