from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \
VppMplsLabel, VppMplsTable
+import scapy.compat
from scapy.packet import Raw
from scapy.layers.l2 import Ether, Dot1Q
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
from scapy.contrib.mpls import MPLS
+NUM_PKTS = 67
+
class TestQOS(VppTestCase):
""" QOS Test Case """
+ @classmethod
+ def setUpClass(cls):
+ super(TestQOS, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestQOS, cls).tearDownClass()
+
def setUp(self):
super(TestQOS, self).setUp()
# for table 1 map the n=0xff possible values of input QoS mark,
# n to 1-n
#
- output = [chr(0)] * 256
+ output = [scapy.compat.chb(0)] * 256
for i in range(0, 255):
- output[i] = chr(255 - i)
- os = ''.join(output)
+ output[i] = scapy.compat.chb(255 - i)
+ os = b''.join(output)
rows = [{'outputs': os},
{'outputs': os},
{'outputs': os},
#
# For table 2 (and up) use the value n for everything
#
- output = [chr(2)] * 256
- os = ''.join(output)
+ output = [scapy.compat.chb(2)] * 256
+ os = b''.join(output)
rows = [{'outputs': os},
{'outputs': os},
{'outputs': os},
self.vapi.qos_egress_map_update(2, rows)
- output = [chr(3)] * 256
- os = ''.join(output)
+ output = [scapy.compat.chb(3)] * 256
+ os = b''.join(output)
rows = [{'outputs': os},
{'outputs': os},
{'outputs': os},
self.vapi.qos_egress_map_update(3, rows)
- output = [chr(4)] * 256
- os = ''.join(output)
+ output = [scapy.compat.chb(4)] * 256
+ os = b''.join(output)
rows = [{'outputs': os},
{'outputs': os},
{'outputs': os},
p_v4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
p_v6 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6,
tc=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
#
# Since we have not yet enabled the recording of the input QoS
# from the input iP header, the egress packet's ToS will be unchanged
#
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 1)
- rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IPv6].tc, 1)
#
- # Enable QoS recrding on IP input for pg0
+ # Enable QoS recording on IP input for pg0
#
self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
QOS_SOURCE.IP,
# send the same packets, this time expect the input TOS of 1
# to be mapped to pg1's egress value of 254
#
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 254)
- rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IPv6].tc, 254)
# different input ToS to test the mapping
#
p_v4[IP].tos = 127
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 128)
p_v6[IPv6].tc = 127
- rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IPv6].tc, 128)
p_v4[IP].tos = 254
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 1)
p_v6[IPv6].tc = 254
- rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IPv6].tc, 1)
# correctly applied
#
p_v4[IP].dst = self.pg2.remote_ip4
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg2)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg2)
for p in rx:
self.assertEqual(p[IP].tos, 2)
p_v4[IP].dst = self.pg3.remote_ip4
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg3)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg3)
for p in rx:
self.assertEqual(p[IP].tos, 3)
p_v6[IPv6].dst = self.pg3.remote_ip6
- rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg3)
+ rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg3)
for p in rx:
self.assertEqual(p[IPv6].tc, 3)
self.logger.info(self.vapi.cli("sh int feat pg2"))
p_v4[IP].dst = self.pg2.remote_ip4
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg2)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg2)
for p in rx:
self.assertEqual(p[IP].tos, 254)
p_v4[IP].dst = self.pg3.remote_ip4
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg3)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg3)
for p in rx:
self.assertEqual(p[IP].tos, 254)
# still mapping out of pg1
#
p_v4[IP].dst = self.pg1.remote_ip4
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 1)
#
# back to an unchanged TOS value
#
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 254)
#
# unchanged Tos on pg1
#
- rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 254)
#
- # clean-up the masp
+ # clean-up the map
#
self.vapi.qos_egress_map_delete(1)
self.vapi.qos_egress_map_delete(4)
#
# 255 QoS for all input values
#
- output = [chr(255)] * 256
- os = ''.join(output)
- rows = [{'outputs': os},
- {'outputs': os},
- {'outputs': os},
- {'outputs': os}]
+ from_ext = 7
+ from_ip = 6
+ from_mpls = 5
+ from_vlan = 4
+ output = [scapy.compat.chb(from_ext)] * 256
+ os1 = b''.join(output)
+ output = [scapy.compat.chb(from_vlan)] * 256
+ os2 = b''.join(output)
+ output = [scapy.compat.chb(from_mpls)] * 256
+ os3 = b''.join(output)
+ output = [scapy.compat.chb(from_ip)] * 256
+ os4 = b''.join(output)
+ rows = [{'outputs': os1},
+ {'outputs': os2},
+ {'outputs': os3},
+ {'outputs': os4}]
self.vapi.qos_egress_map_update(1, rows)
p_1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst="10.0.0.1", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
p_3 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst="10.0.0.3", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
- rx = self.send_and_expect(self.pg0, p_1 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_1 * NUM_PKTS, self.pg1)
#
# only 3 bits of ToS value in MPLS make sure tos is correct
# and the label and EOS bit have not been corrupted
#
for p in rx:
- self.assertEqual(p[MPLS].cos, 7)
+ self.assertEqual(p[MPLS].cos, from_ip)
self.assertEqual(p[MPLS].label, 32)
self.assertEqual(p[MPLS].s, 1)
- rx = self.send_and_expect(self.pg0, p_3 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_3 * NUM_PKTS, self.pg1)
for p in rx:
- self.assertEqual(p[MPLS].cos, 7)
+ self.assertEqual(p[MPLS].cos, from_ip)
self.assertEqual(p[MPLS].label, 63)
self.assertEqual(p[MPLS].s, 0)
h = p[MPLS].payload
- self.assertEqual(h[MPLS].cos, 7)
+ self.assertEqual(h[MPLS].cos, from_ip)
self.assertEqual(h[MPLS].label, 33)
self.assertEqual(h[MPLS].s, 0)
h = h[MPLS].payload
- self.assertEqual(h[MPLS].cos, 7)
+ self.assertEqual(h[MPLS].cos, from_ip)
self.assertEqual(h[MPLS].label, 34)
self.assertEqual(h[MPLS].s, 1)
1)
#
- # MPLS x-connect - COS is preserved
+ # MPLS x-connect - COS according to pg1 map
#
route_32_eos = VppMplsRoute(self, 32, 1,
[VppRoutePath(self.pg1.remote_ip4,
MPLS(label=32, cos=3, ttl=2) /
IP(src=self.pg0.remote_ip4, dst="10.0.0.1", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
- rx = self.send_and_expect(self.pg0, p_m1 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_m1 * NUM_PKTS, self.pg1)
for p in rx:
- self.assertEqual(p[MPLS].cos, 7)
+ self.assertEqual(p[MPLS].cos, from_mpls)
self.assertEqual(p[MPLS].label, 33)
self.assertEqual(p[MPLS].s, 1)
MPLS(label=33, ttl=2, cos=3) /
IP(src=self.pg0.remote_ip4, dst="10.0.0.4", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
- rx = self.send_and_expect(self.pg0, p_m2 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_m2 * NUM_PKTS, self.pg1)
for p in rx:
- self.assertEqual(p[IP].tos, 255)
+ self.assertEqual(p[IP].tos, from_mpls)
#
# cleanup
#
# QoS for all input values
#
- output = [chr(0)] * 256
+ output = [scapy.compat.chb(0)] * 256
for i in range(0, 255):
- output[i] = chr(255 - i)
- os = ''.join(output)
+ output[i] = scapy.compat.chb(255 - i)
+ os = b''.join(output)
rows = [{'outputs': os},
{'outputs': os},
{'outputs': os},
Dot1Q(vlan=11, prio=1) /
IP(src="1.1.1.1", dst="10.0.0.2", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
p_v2 = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
IP(src="1.1.1.1", dst="10.0.0.1", tos=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
- rx = self.send_and_expect(self.pg1, p_v2 * 65, self.pg0)
+ rx = self.send_and_expect(self.pg1, p_v2 * NUM_PKTS, self.pg0)
for p in rx:
self.assertEqual(p[Dot1Q].prio, 6)
- rx = self.send_and_expect(self.pg0, p_v1 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v1 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IP].tos, 254)
Dot1Q(vlan=11, prio=2) /
IPv6(src="2001::1", dst="2001::2", tc=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
p_v2 = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
IPv6(src="3001::1", dst="2001::1", tc=1) /
UDP(sport=1234, dport=1234) /
- Raw(chr(100) * 65))
+ Raw(scapy.compat.chb(100) * NUM_PKTS))
- rx = self.send_and_expect(self.pg1, p_v2 * 65, self.pg0)
+ rx = self.send_and_expect(self.pg1, p_v2 * NUM_PKTS, self.pg0)
for p in rx:
self.assertEqual(p[Dot1Q].prio, 6)
- rx = self.send_and_expect(self.pg0, p_v1 * 65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p_v1 * NUM_PKTS, self.pg1)
for p in rx:
self.assertEqual(p[IPv6].tc, 253)