vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2020-11-24	tests: remove bond, pipe, session and api_namespace from vpp_papi_provider	Jakub Grajciar	1	-4/+4
2020-08-27	tests: "force solo" testcase support	Andrew Yourtchenko	1	-0/+4
2020-03-05	session: API cleanup	Jakub Grajciar	1	-2/+2
2019-11-05	misc: Fix python scripts shebang line	Renato Botelho do Couto	1	-1/+1
2019-04-19	svm: move fifo tests to a separate file	Florin Coras	1	-0/+26
2019-04-10	Tests Cleanup: Fix missing calls to setUpClass/tearDownClass.	Paul Vinciguerra	1	-0/+12
2019-03-11	VPP-1508: Tests: Fix vpp_api struct.error under py3.	Paul Vinciguerra	1	-2/+2
2019-03-11	Tests: use self.assertNotIn().	Paul Vinciguerra	1	-3/+3
2019-03-04	test framework: Fix wrapper functions to match API message names.	Ole Troan	1	-4/+4
2018-10-28	session: extend connect api for internal apps	Florin Coras	1	-8/+20
2018-06-24	Revert "Revert "make test: fix broken interfaces""	Klement Sekera	1	-1/+1
2018-06-22	Revert "make test: fix broken interfaces"	Ole Troan	1	-1/+1
2018-06-22	make test: fix broken interfaces	Klement Sekera	1	-1/+1
2018-02-14	session: support local sessions and deprecate redirects	Florin Coras	1	-0/+3
2018-02-05	session: segment manager refactor	Florin Coras	1	-1/+63
2017-12-12	tcp/session: add make tests	Florin Coras	1	-0/+31

#!/usr/bin/env python3 import unittest from scapy.packet import Raw from scapy.layers.l2 import Ether, Dot1Q, GRE, ERSPAN from scapy.layers.inet import IP, UDP from scapy.layers.vxlan import VXLAN from framework import VppTestCase, VppTestRunner from util import Host, ppp from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint, VppDot1ADSubint from vpp_gre_interface import VppGreInterface from vpp_vxlan_tunnel import VppVxlanTunnel from collections import namedtuple from vpp_papi import VppEnum Tag = namedtuple('Tag', ['dot1', 'vlan']) DOT1AD = 0x88A8 DOT1Q = 0x8100 class TestSpan(VppTestCase): """ SPAN Test Case """ @classmethod def setUpClass(cls): super(TestSpan, cls).setUpClass() # Test variables cls.pkts_per_burst = 257 # Number of packets per burst # create 3 pg interfaces cls.create_pg_interfaces(range(3)) cls.bd_id = 55 cls.sub_if = VppDot1QSubint(cls, cls.pg0, 100) cls.vlan_sub_if = VppDot1QSubint(cls, cls.pg2, 300) cls.vlan_sub_if.set_vtr(L2_VTR_OP.L2_POP_1, tag=300) cls.qinq_sub_if = VppDot1ADSubint(cls, cls.pg2, 33, 400, 500) cls.qinq_sub_if.set_vtr(L2_VTR_OP.L2_POP_2, outer=500, inner=400) # packet flows mapping pg0 -> pg1, pg2 -> pg3, etc. cls.flows = dict() cls.flows[cls.pg0] = [cls.pg1] cls.flows[cls.pg1] = [cls.pg0] # packet sizes cls.pg_if_packet_sizes = [64, 512, 1518] # , 9018] # setup all interfaces for i in cls.pg_interfaces: i.admin_up() i.config_ip4() i.resolve_arp() def setUp(self): super(TestSpan, self).setUp() self.vxlan = VppVxlanTunnel(self, src=self.pg2.local_ip4, dst=self.pg2.remote_ip4, vni=1111) self.vxlan.add_vpp_config() self.reset_packet_infos() def tearDown(self): super(TestSpan, self).tearDown() def show_commands_at_teardown(self): self.logger.info(self.vapi.ppcli("show interface span")) def xconnect(self, a, b, is_add=1): self.vapi.sw_interface_set_l2_xconnect(a, b, enable=is_add) self.vapi.sw_interface_set_l2_xconnect(b, a, enable=is_add) def bridge(self, sw_if_index, is_add=1): self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=sw_if_index, bd_id=self.bd_id, enable=is_add) def _remove_tag(self, packet, vlan, tag_type): self.assertEqual(packet.type, tag_type) payload = packet.payload self.assertEqual(payload.vlan, vlan) inner_type = payload.type payload = payload.payload packet.remove_payload() packet.add_payload(payload) packet.type = inner_type def remove_tags(self, packet, tags): for t in tags: self._remove_tag(packet, t.vlan, t.dot1) return packet def decap_gre(self, pkt): """ Decapsulate the original payload frame by removing GRE header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[GRE].payload def decap_erspan(self, pkt, session): """ Decapsulate the original payload frame by removing ERSPAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) self.assertEqual(pkt[ERSPAN].ver, 1) self.assertEqual(pkt[ERSPAN].vlan, 0) self.assertEqual(pkt[ERSPAN].cos, 0) self.assertEqual(pkt[ERSPAN].en, 3) self.assertEqual(pkt[ERSPAN].t, 0) self.assertEqual(pkt[ERSPAN].session_id, session) self.assertEqual(pkt[ERSPAN].reserved, 0) self.assertEqual(pkt[ERSPAN].index, 0) return pkt[ERSPAN].payload def decap_vxlan(self, pkt): """ Decapsulate the original payload frame by removing VXLAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[VXLAN].payload def create_stream(self, src_if, packet_sizes, do_dot1=False, bcast=False): pkts = [] dst_if = self.flows[src_if][0] dst_mac = src_if.remote_mac if bcast: dst_mac = "ff:ff:ff:ff:ff:ff" for i in range(0, self.pkts_per_burst): payload = "span test" size = packet_sizes[int((i / 2) % len(packet_sizes))] p = (Ether(src=src_if.local_mac, dst=dst_mac) / IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / UDP(sport=10000 + src_if.sw_if_index * 1000 + i, dport=1234) / Raw(payload)) if do_dot1: p = self.sub_if.add_dot1_layer(p) self.extend_packet(p, size) pkts.append(p) return pkts def verify_capture(self, cap1, cap2): self.assertEqual(len(cap1), len(cap2), "Different number of sent and mirrored packets :" "%u != %u" % (len(cap1), len(cap2))) pkts1 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap1] pkts2 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap2] self.assertEqual(pkts1.sort(), pkts2.sort()) def test_device_span(self): """ SPAN device rx mirror """ # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index, state=0) self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx(self): """ SPAN l2 rx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg2_expected = len(pkts) pg1_pkts = self.pg1.get_capture(pg2_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_vxlan(self): """ SPAN l2 rx mirror into vxlan """ self.sub_if.admin_up() self.vapi.sw_interface_set_flags(self.vxlan.sw_if_index, flags=1) self.bridge(self.vxlan.sw_if_index, is_add=1) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = [self.decap_vxlan(p) for p in self.pg2.get_capture(n_pkts)] self.bridge(self.vxlan.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_gre_erspan(self): """ SPAN l2 rx mirror into gre-erspan """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, session=543, type=(VppEnum.vl_api_gre_tunnel_type_t. GRE_API_TUNNEL_TYPE_ERSPAN)) gre_if.add_vpp_config() gre_if.admin_up() self.bridge(gre_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre-erspan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.decap_erspan(p, session=543) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_gre_subif_vtr(self): """ SPAN l2 rx mirror into gre-subif+vtr """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, type=(VppEnum.vl_api_gre_tunnel_type_t. GRE_API_TUNNEL_TYPE_TEB)) gre_if.add_vpp_config() gre_if.admin_up() gre_sub_if = VppDot1QSubint(self, gre_if, 500) gre_sub_if.set_vtr(L2_VTR_OP.L2_POP_1, tag=500) gre_sub_if.admin_up() self.bridge(gre_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre sub if) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.remove_tags( self.decap_gre(p), [Tag(dot1=DOT1Q, vlan=500)]) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_1q_vtr(self): """ SPAN l2 rx mirror into 1q subif+vtr """ self.sub_if.admin_up() self.vlan_sub_if.admin_up() self.bridge(self.vlan_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1Q, vlan=300)]) for p in pg2_pkts] self.bridge(self.vlan_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_span_l2_rx_dst_1ad_vtr(self): """ SPAN l2 rx mirror into 1ad subif+vtr """ self.sub_if.admin_up() self.qinq_sub_if.admin_up() self.bridge(self.qinq_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1AD, vlan=400), Tag(dot1=DOT1Q, vlan=500)]) for p in pg2_pkts] self.bridge(self.qinq_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_l2_tx_span(self): """ SPAN l2 tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg1 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=2) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_l2_rx_tx_span(self): """ SPAN l2 rx tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) def test_l2_bcast_mirror(self): """ SPAN l2 broadcast mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=1) self.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=1) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True, bcast=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False, bcast=True) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) self.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=0) self.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)