#!/usr/bin/env python
import unittest
-import socket
-import struct
from framework import VppTestCase, VppTestRunner
-from vpp_object import VppObject
-from vpp_papi_provider import QOS_SOURCE
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute
-from vpp_sub_interface import VppSubInterface, VppDot1QSubint
+from vpp_sub_interface import VppDot1QSubint
+from vpp_ip import DpoProto
+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
+from vpp_papi import VppEnum
+
+NUM_PKTS = 67
class TestQOS(VppTestCase):
""" QOS Test Case """
+ # Note: Since the enums aren't created dynamically until after
+ # the papi client attaches to VPP, we put it in a property to
+ # ensure it is the value at runtime, not at module load time.
+ @property
+ def QOS_SOURCE(self):
+ return VppEnum.vl_api_qos_source_t
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestQOS, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestQOS, cls).tearDownClass()
+
def setUp(self):
super(TestQOS, self).setUp()
self.create_pg_interfaces(range(5))
+ tbl = VppMplsTable(self, 0)
+ tbl.add_vpp_config()
+
for i in self.pg_interfaces:
i.admin_up()
i.config_ip4()
i.resolve_arp()
i.config_ip6()
i.resolve_ndp()
+ i.enable_mpls()
def tearDown(self):
for i in self.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
+ i.disable_mpls()
super(TestQOS, self).tearDown()
def test_qos_ip(self):
- """ QoS Mark IP """
+ """ QoS Mark/Record IP """
#
# 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},
# Bind interface pgN to table n
#
self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
1,
1)
self.vapi.qos_mark_enable_disable(self.pg2.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
2,
1)
self.vapi.qos_mark_enable_disable(self.pg3.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
3,
1)
self.vapi.qos_mark_enable_disable(self.pg4.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
4,
1)
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,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
1)
#
# 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)
# remove the map on pg2 and pg3, now expect an unchanged IP tos
#
self.vapi.qos_mark_enable_disable(self.pg2.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
2,
0)
self.vapi.qos_mark_enable_disable(self.pg3.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
3,
0)
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)
# disable the input recording on pg0
#
self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
0)
#
# 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)
# disable the egress map on pg1 and pg4
#
self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
1,
0)
self.vapi.qos_mark_enable_disable(self.pg4.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
4,
0)
#
# 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)
self.vapi.qos_egress_map_delete(7)
def test_qos_mpls(self):
- """ QoS Mark MPLS """
+ """ QoS Mark/Record MPLS """
#
# 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)
# on Pg1
#
self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
1)
self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
- QOS_SOURCE.MPLS,
+ self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
1,
1)
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)
+ #
+ # enable MPLS QoS recording on the input Pg0 and IP egress marking
+ # on Pg1
+ #
+ self.vapi.qos_record_enable_disable(
+ self.pg0.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+ 1)
+ self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
+ 1,
+ 1)
+
+ #
+ # MPLS x-connect - COS according to pg1 map
+ #
+ route_32_eos = VppMplsRoute(self, 32, 1,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index,
+ labels=[VppMplsLabel(33)])])
+ route_32_eos.add_vpp_config()
+
+ p_m1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ 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(scapy.compat.chb(100) * NUM_PKTS))
+
+ rx = self.send_and_expect(self.pg0, p_m1 * NUM_PKTS, self.pg1)
+ for p in rx:
+ self.assertEqual(p[MPLS].cos, from_mpls)
+ self.assertEqual(p[MPLS].label, 33)
+ self.assertEqual(p[MPLS].s, 1)
+
+ #
+ # MPLS deag - COS is copied from MPLS to IP
+ #
+ route_33_eos = VppMplsRoute(self, 33, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=0)])
+ route_33_eos.add_vpp_config()
+
+ route_10_0_0_4 = VppIpRoute(self, "10.0.0.4", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_10_0_0_4.add_vpp_config()
+
+ p_m2 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ 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(scapy.compat.chb(100) * NUM_PKTS))
+
+ rx = self.send_and_expect(self.pg0, p_m2 * NUM_PKTS, self.pg1)
+
+ for p in rx:
+ self.assertEqual(p[IP].tos, from_mpls)
+
#
# cleanup
#
self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
- QOS_SOURCE.IP,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
0)
self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
- QOS_SOURCE.MPLS,
+ self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+ 1,
+ 0)
+ self.vapi.qos_record_enable_disable(
+ self.pg0.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+ 0)
+ self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
1,
0)
self.vapi.qos_egress_map_delete(1)
+ def test_qos_vlan(self):
+ """QoS mark/record VLAN """
+
+ #
+ # QoS for all input values
+ #
+ output = [scapy.compat.chb(0)] * 256
+ for i in range(0, 255):
+ output[i] = scapy.compat.chb(255 - i)
+ os = b''.join(output)
+ rows = [{'outputs': os},
+ {'outputs': os},
+ {'outputs': os},
+ {'outputs': os}]
+
+ self.vapi.qos_egress_map_update(1, rows)
+
+ sub_if = VppDot1QSubint(self, self.pg0, 11)
+
+ sub_if.admin_up()
+ sub_if.config_ip4()
+ sub_if.resolve_arp()
+ sub_if.config_ip6()
+ sub_if.resolve_ndp()
+
+ #
+ # enable VLAN QoS recording/marking on the input Pg0 subinterface and
+ #
+ self.vapi.qos_record_enable_disable(
+ sub_if.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+ 1)
+ self.vapi.qos_mark_enable_disable(sub_if.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+ 1,
+ 1)
+
+ #
+ # IP marking/recording on pg1
+ #
+ self.vapi.qos_record_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
+ 1)
+ self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
+ 1,
+ 1)
+
+ #
+ # a routes to/from sub-interface
+ #
+ route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32,
+ [VppRoutePath(sub_if.remote_ip4,
+ sub_if.sw_if_index)])
+ route_10_0_0_1.add_vpp_config()
+ route_10_0_0_2 = VppIpRoute(self, "10.0.0.2", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_10_0_0_2.add_vpp_config()
+ route_2001_1 = VppIpRoute(self, "2001::1", 128,
+ [VppRoutePath(sub_if.remote_ip6,
+ sub_if.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route_2001_1.add_vpp_config()
+ route_2001_2 = VppIpRoute(self, "2001::2", 128,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route_2001_2.add_vpp_config()
+
+ p_v1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ Dot1Q(vlan=11, prio=1) /
+ IP(src="1.1.1.1", dst="10.0.0.2", tos=1) /
+ UDP(sport=1234, dport=1234) /
+ 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(scapy.compat.chb(100) * NUM_PKTS))
+
+ 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 * NUM_PKTS, self.pg1)
+
+ for p in rx:
+ self.assertEqual(p[IP].tos, 254)
+
+ p_v1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ Dot1Q(vlan=11, prio=2) /
+ IPv6(src="2001::1", dst="2001::2", tc=1) /
+ UDP(sport=1234, dport=1234) /
+ 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(scapy.compat.chb(100) * NUM_PKTS))
+
+ 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 * NUM_PKTS, self.pg1)
+
+ for p in rx:
+ self.assertEqual(p[IPv6].tc, 253)
+
+ #
+ # cleanup
+ #
+ sub_if.unconfig_ip4()
+ sub_if.unconfig_ip6()
+
+ self.vapi.qos_record_enable_disable(
+ sub_if.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+ 0)
+ self.vapi.qos_mark_enable_disable(sub_if.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+ 1,
+ 0)
+ self.vapi.qos_record_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
+ 0)
+ self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+ self.QOS_SOURCE.QOS_API_SOURCE_IP,
+ 1,
+ 0)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)