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-rw-r--r--test/test_gre.py131
1 files changed, 23 insertions, 108 deletions
diff --git a/test/test_gre.py b/test/test_gre.py
index cd898061fa2..eed3d8b2c6f 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -442,13 +442,8 @@ class TestGRE(VppTestCase):
# which is a drop.
#
tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "4.4.4.4")
- self.pg0.add_stream(tx)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- self.pg0.assert_nothing_captured(
- remark="GRE packets forwarded without DIP resolved")
+ self.send_and_assert_no_replies(self.pg0, tx)
#
# Add a route that resolves the tunnel's destination
@@ -462,14 +457,8 @@ class TestGRE(VppTestCase):
# Send a packet stream that is routed into the tunnel
# - packets are GRE encapped
#
- self.vapi.cli("clear trace")
tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "4.4.4.4")
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_tunneled_4o4(self.pg0, rx, tx,
self.pg0.local_ip4, "1.1.1.2")
@@ -477,18 +466,12 @@ class TestGRE(VppTestCase):
# Send tunneled packets that match the created tunnel and
# are decapped and forwarded
#
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_4o4(self.pg0,
"1.1.1.2",
self.pg0.local_ip4,
self.pg0.local_ip4,
self.pg0.remote_ip4)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_decapped_4o4(self.pg0, rx, tx)
#
@@ -500,12 +483,8 @@ class TestGRE(VppTestCase):
self.pg0.local_ip4,
self.pg0.local_ip4,
self.pg0.remote_ip4)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- self.pg0.assert_nothing_captured(
+ self.send_and_assert_no_replies(
+ self.pg0, tx,
remark="GRE packets forwarded despite no SRC address match")
#
@@ -519,19 +498,14 @@ class TestGRE(VppTestCase):
# Send IPv6 tunnel encapslated packets
# - dropped since IPv6 is not enabled on the tunnel
#
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_6o4(self.pg0,
"1.1.1.2",
self.pg0.local_ip4,
self.pg0.local_ip6,
self.pg0.remote_ip6)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- self.pg0.assert_nothing_captured(remark="IPv6 GRE packets forwarded "
- "despite IPv6 not enabled on tunnel")
+ self.send_and_assert_no_replies(self.pg0, tx,
+ "IPv6 GRE packets forwarded "
+ "despite IPv6 not enabled on tunnel")
#
# Enable IPv6 on the tunnel
@@ -542,18 +516,12 @@ class TestGRE(VppTestCase):
# Send IPv6 tunnel encapslated packets
# - forwarded since IPv6 is enabled on the tunnel
#
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_6o4(self.pg0,
"1.1.1.2",
self.pg0.local_ip4,
self.pg0.local_ip6,
self.pg0.remote_ip6)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_decapped_6o4(self.pg0, rx, tx)
#
@@ -618,13 +586,9 @@ class TestGRE(VppTestCase):
# which is a drop.
#
tx = self.create_stream_ip6(self.pg2, "5005::1", "4004::1")
- self.pg2.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- self.pg2.assert_nothing_captured(
- remark="GRE packets forwarded without DIP resolved")
+ self.send_and_assert_no_replies(
+ self.pg2, tx,
+ "GRE packets forwarded without DIP resolved")
#
# Add a route that resolves the tunnel's destination
@@ -641,14 +605,8 @@ class TestGRE(VppTestCase):
# Send a packet stream that is routed into the tunnel
# - packets are GRE encapped
#
- self.vapi.cli("clear trace")
tx = self.create_stream_ip6(self.pg2, "5005::1", "4004::1")
- self.pg2.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg2.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg2, tx, self.pg2)
self.verify_tunneled_6o6(self.pg2, rx, tx,
self.pg2.local_ip6, "1002::1")
@@ -660,12 +618,7 @@ class TestGRE(VppTestCase):
self.pg2.local_ip6,
"2001::1",
self.pg1.remote_ip6)
- self.vapi.cli("clear trace")
- self.pg2.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = self.pg1.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg2, tx, self.pg1)
#
# RX'd packet is UDP over IPv6, test the GRE header is gone.
@@ -739,12 +692,7 @@ class TestGRE(VppTestCase):
#
self.vapi.cli("clear trace")
tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "9.9.9.9")
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg1.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg1)
self.verify_tunneled_4o4(self.pg1, rx, tx,
self.pg1.local_ip4, "2.2.2.2")
@@ -759,12 +707,7 @@ class TestGRE(VppTestCase):
self.pg1.local_ip4,
self.pg0.local_ip4,
self.pg0.remote_ip4)
- self.pg1.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg1, tx, self.pg0)
self.verify_decapped_4o4(self.pg0, rx, tx)
#
@@ -781,13 +724,9 @@ class TestGRE(VppTestCase):
self.pg1.local_ip4,
self.pg0.local_ip4,
self.pg0.remote_ip4)
- self.pg2.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- self.pg0.assert_nothing_captured(
- remark="GRE decap packets in wrong VRF")
+ rx = self.send_and_assert_no_replies(
+ self.pg2, tx,
+ "GRE decap packets in wrong VRF")
self.pg2.unconfig_ip4()
@@ -840,30 +779,18 @@ class TestGRE(VppTestCase):
# Send in tunnel encapped L2. expect out tunnel encapped L2
# in both directions
#
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_l2o4(self.pg0,
"2.2.2.2",
self.pg0.local_ip4)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_tunneled_l2o4(self.pg0, rx, tx,
self.pg0.local_ip4,
"2.2.2.3")
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_l2o4(self.pg0,
"2.2.2.3",
self.pg0.local_ip4)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_tunneled_l2o4(self.pg0, rx, tx,
self.pg0.local_ip4,
"2.2.2.2")
@@ -910,33 +837,21 @@ class TestGRE(VppTestCase):
# Send traffic in both directiond - expect the VLAN tags to
# be swapped.
#
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_vlano4(self.pg0,
"2.2.2.2",
self.pg0.local_ip4,
11)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_tunneled_vlano4(self.pg0, rx, tx,
self.pg0.local_ip4,
"2.2.2.3",
12)
- self.vapi.cli("clear trace")
tx = self.create_tunnel_stream_vlano4(self.pg0,
"2.2.2.3",
self.pg0.local_ip4,
12)
- self.pg0.add_stream(tx)
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- rx = self.pg0.get_capture(len(tx))
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_tunneled_vlano4(self.pg0, rx, tx,
self.pg0.local_ip4,
"2.2.2.2",