+++ /dev/null
-#!/usr/bin/env python
-
-import unittest
-
-from scapy.layers.l2 import Ether, Raw
-from scapy.layers.inet import IP, IPOption
-from scapy.contrib.igmpv3 import IGMPv3, IGMPv3gr, IGMPv3mq, IGMPv3mr
-
-from framework import VppTestCase, VppTestRunner, running_extended_tests
-from vpp_igmp import find_igmp_state, IGMP_FILTER, IgmpRecord, IGMP_MODE, \
- IgmpSG, VppHostState, wait_for_igmp_event
-from vpp_ip_route import find_mroute, VppIpTable
-
-
-class IgmpMode:
- HOST = 1
- ROUTER = 0
-
-
-class TestIgmp(VppTestCase):
- """ IGMP Test Case """
-
- @classmethod
- def setUpClass(cls):
- super(TestIgmp, cls).setUpClass()
-
- @classmethod
- def tearDownClass(cls):
- super(TestIgmp, cls).tearDownClass()
-
- def setUp(self):
- super(TestIgmp, self).setUp()
-
- self.create_pg_interfaces(range(4))
- self.sg_list = []
- self.config_list = []
-
- self.ip_addr = []
- self.ip_table = VppIpTable(self, 1)
- self.ip_table.add_vpp_config()
-
- for pg in self.pg_interfaces[2:]:
- pg.set_table_ip4(1)
- for pg in self.pg_interfaces:
- pg.admin_up()
- pg.config_ip4()
- pg.resolve_arp()
-
- def tearDown(self):
- for pg in self.pg_interfaces:
- self.vapi.igmp_clear_interface(pg.sw_if_index)
- pg.unconfig_ip4()
- pg.set_table_ip4(0)
- pg.admin_down()
- super(TestIgmp, self).tearDown()
-
- def send(self, ti, pkts):
- ti.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- def test_igmp_flush(self):
- """ IGMP Link Up/down and Flush """
-
- #
- # FIX THIS. Link down.
- #
-
- def test_igmp_enable(self):
- """ IGMP enable/disable on an interface
-
- check for the addition/removal of the IGMP mroutes """
-
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 1, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 1, IGMP_MODE.HOST)
-
- self.assertTrue(find_mroute(self, "224.0.0.1", "0.0.0.0", 32))
- self.assertTrue(find_mroute(self, "224.0.0.22", "0.0.0.0", 32))
-
- self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 1, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg3.sw_if_index, 1, IGMP_MODE.HOST)
-
- self.assertTrue(find_mroute(self, "224.0.0.1", "0.0.0.0", 32,
- table_id=1))
- self.assertTrue(find_mroute(self, "224.0.0.22", "0.0.0.0", 32,
- table_id=1))
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 0, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 0, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 0, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg3.sw_if_index, 0, IGMP_MODE.HOST)
-
- self.assertFalse(find_mroute(self, "224.0.0.1", "0.0.0.0", 32))
- self.assertFalse(find_mroute(self, "224.0.0.22", "0.0.0.0", 32))
- self.assertFalse(find_mroute(self, "224.0.0.1", "0.0.0.0", 32,
- table_id=1))
- self.assertFalse(find_mroute(self, "224.0.0.22", "0.0.0.0", 32,
- table_id=1))
-
- def verify_general_query(self, p):
- ip = p[IP]
- self.assertEqual(len(ip.options), 1)
- self.assertEqual(ip.options[0].option, 20)
- self.assertEqual(ip.dst, "224.0.0.1")
- self.assertEqual(ip.proto, 2)
- igmp = p[IGMPv3]
- self.assertEqual(igmp.type, 0x11)
- self.assertEqual(igmp.gaddr, "0.0.0.0")
-
- def verify_group_query(self, p, grp, srcs):
- ip = p[IP]
- self.assertEqual(ip.dst, grp)
- self.assertEqual(ip.proto, 2)
- self.assertEqual(len(ip.options), 1)
- self.assertEqual(ip.options[0].option, 20)
- self.assertEqual(ip.proto, 2)
- igmp = p[IGMPv3]
- self.assertEqual(igmp.type, 0x11)
- self.assertEqual(igmp.gaddr, grp)
-
- def verify_report(self, rx, records):
- ip = rx[IP]
- self.assertEqual(rx[IP].dst, "224.0.0.22")
- self.assertEqual(len(ip.options), 1)
- self.assertEqual(ip.options[0].option, 20)
- self.assertEqual(ip.proto, 2)
- self.assertEqual(IGMPv3.igmpv3types[rx[IGMPv3].type],
- "Version 3 Membership Report")
- self.assertEqual(rx[IGMPv3mr].numgrp, len(records))
-
- received = rx[IGMPv3mr].records
-
- for ii in range(len(records)):
- gr = received[ii]
- r = records[ii]
- self.assertEqual(IGMPv3gr.igmpv3grtypes[gr.rtype], r.type)
- self.assertEqual(gr.numsrc, len(r.sg.saddrs))
- self.assertEqual(gr.maddr, r.sg.gaddr)
- self.assertEqual(len(gr.srcaddrs), len(r.sg.saddrs))
-
- self.assertEqual(sorted(gr.srcaddrs),
- sorted(r.sg.saddrs))
-
- def add_group(self, itf, sg, n_pkts=2):
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- hs = VppHostState(self,
- IGMP_FILTER.INCLUDE,
- itf.sw_if_index,
- sg)
- hs.add_vpp_config()
-
- capture = itf.get_capture(n_pkts, timeout=10)
-
- # reports are transmitted twice due to default rebostness value=2
- self.verify_report(capture[0],
- [IgmpRecord(sg, "Allow New Sources")]),
- self.verify_report(capture[1],
- [IgmpRecord(sg, "Allow New Sources")]),
-
- return hs
-
- def remove_group(self, hs):
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- hs.remove_vpp_config()
-
- capture = self.pg0.get_capture(1, timeout=10)
-
- self.verify_report(capture[0],
- [IgmpRecord(hs.sg, "Block Old Sources")])
-
- def test_igmp_host(self):
- """ IGMP Host functions """
-
- #
- # Enable interface for host functions
- #
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
- 1,
- IGMP_MODE.HOST)
-
- #
- # Add one S,G of state and expect a state-change event report
- # indicating the addition of the S,G
- #
- h1 = self.add_group(self.pg0, IgmpSG("239.1.1.1", ["1.1.1.1"]))
-
- # search for the corresponding state created in VPP
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 1)
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", "1.1.1.1"))
-
- #
- # Send a general query (to the all router's address)
- # expect VPP to respond with a membership report.
- # Pad the query with 0 - some devices in the big wild
- # internet are prone to this.
- #
- p_g = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='224.0.0.1', tos=0xc0) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="0.0.0.0") /
- Raw('\x00' * 10))
-
- self.send(self.pg0, p_g)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- #
- # Group specific query
- #
- p_gs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1"))
-
- self.send(self.pg0, p_gs)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- #
- # A group and source specific query, with the source matching
- # the source VPP has
- #
- p_gs1 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1", srcaddrs=["1.1.1.1"]))
-
- self.send(self.pg0, p_gs1)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- #
- # A group and source specific query that reports more sources
- # than the packet actually has.
- #
- p_gs2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1", numsrc=4, srcaddrs=["1.1.1.1"]))
-
- self.send_and_assert_no_replies(self.pg0, p_gs2, timeout=10)
-
- #
- # A group and source specific query, with the source NOT matching
- # the source VPP has. There should be no response.
- #
- p_gs2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1", srcaddrs=["1.1.1.2"]))
-
- self.send_and_assert_no_replies(self.pg0, p_gs2, timeout=10)
-
- #
- # A group and source specific query, with the multiple sources
- # one of which matches the source VPP has.
- # The report should contain only the source VPP has.
- #
- p_gs3 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1",
- srcaddrs=["1.1.1.1", "1.1.1.2", "1.1.1.3"]))
-
- self.send(self.pg0, p_gs3)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- #
- # Two source and group specific queries in quick succession, the
- # first does not have VPPs source the second does. then vice-versa
- #
- self.send(self.pg0, [p_gs2, p_gs1])
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- self.send(self.pg0, [p_gs1, p_gs2])
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h1.sg, "Mode Is Include")])
-
- #
- # remove state, expect the report for the removal
- #
- self.remove_group(h1)
-
- dump = self.vapi.igmp_dump()
- self.assertFalse(dump)
-
- #
- # A group with multiple sources
- #
- h2 = self.add_group(self.pg0,
- IgmpSG("239.1.1.1",
- ["1.1.1.1", "1.1.1.2", "1.1.1.3"]))
-
- # search for the corresponding state created in VPP
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 3)
- for s in h2.sg.saddrs:
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", s))
- #
- # Send a general query (to the all router's address)
- # expect VPP to respond with a membership report will all sources
- #
- self.send(self.pg0, p_g)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(h2.sg, "Mode Is Include")])
-
- #
- # Group and source specific query; some present some not
- #
- p_gs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="239.1.1.1",
- srcaddrs=["1.1.1.1", "1.1.1.2", "1.1.1.4"]))
-
- self.send(self.pg0, p_gs)
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(
- IgmpSG('239.1.1.1', ["1.1.1.1", "1.1.1.2"]),
- "Mode Is Include")])
-
- #
- # add loads more groups
- #
- h3 = self.add_group(self.pg0,
- IgmpSG("239.1.1.2",
- ["2.1.1.1", "2.1.1.2", "2.1.1.3"]))
- h4 = self.add_group(self.pg0,
- IgmpSG("239.1.1.3",
- ["3.1.1.1", "3.1.1.2", "3.1.1.3"]))
- h5 = self.add_group(self.pg0,
- IgmpSG("239.1.1.4",
- ["4.1.1.1", "4.1.1.2", "4.1.1.3"]))
- h6 = self.add_group(self.pg0,
- IgmpSG("239.1.1.5",
- ["5.1.1.1", "5.1.1.2", "5.1.1.3"]))
- h7 = self.add_group(self.pg0,
- IgmpSG("239.1.1.6",
- ["6.1.1.1", "6.1.1.2",
- "6.1.1.3", "6.1.1.4",
- "6.1.1.5", "6.1.1.6",
- "6.1.1.7", "6.1.1.8",
- "6.1.1.9", "6.1.1.10",
- "6.1.1.11", "6.1.1.12",
- "6.1.1.13", "6.1.1.14",
- "6.1.1.15", "6.1.1.16"]))
-
- #
- # general query.
- # the order the groups come in is not important, so what is
- # checked for is what VPP is sending today.
- #
- self.send(self.pg0, p_g)
-
- capture = self.pg0.get_capture(1, timeout=10)
-
- self.verify_report(capture[0],
- [IgmpRecord(h3.sg, "Mode Is Include"),
- IgmpRecord(h2.sg, "Mode Is Include"),
- IgmpRecord(h6.sg, "Mode Is Include"),
- IgmpRecord(h4.sg, "Mode Is Include"),
- IgmpRecord(h5.sg, "Mode Is Include"),
- IgmpRecord(h7.sg, "Mode Is Include")])
-
- #
- # modify a group to add and remove some sources
- #
- h7.sg = IgmpSG("239.1.1.6",
- ["6.1.1.1", "6.1.1.2",
- "6.1.1.5", "6.1.1.6",
- "6.1.1.7", "6.1.1.8",
- "6.1.1.9", "6.1.1.10",
- "6.1.1.11", "6.1.1.12",
- "6.1.1.13", "6.1.1.14",
- "6.1.1.15", "6.1.1.16",
- "6.1.1.17", "6.1.1.18"])
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- h7.add_vpp_config()
-
- capture = self.pg0.get_capture(1, timeout=10)
- self.verify_report(capture[0],
- [IgmpRecord(IgmpSG("239.1.1.6",
- ["6.1.1.17", "6.1.1.18"]),
- "Allow New Sources"),
- IgmpRecord(IgmpSG("239.1.1.6",
- ["6.1.1.3", "6.1.1.4"]),
- "Block Old Sources")])
-
- #
- # add an additional groups with many sources so that each group
- # consumes the link MTU. We should therefore see multiple state
- # state reports when queried.
- #
- self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [560, 0, 0, 0])
-
- src_list = []
- for i in range(128):
- src_list.append("10.1.1.%d" % i)
-
- h8 = self.add_group(self.pg0,
- IgmpSG("238.1.1.1", src_list))
- h9 = self.add_group(self.pg0,
- IgmpSG("238.1.1.2", src_list))
-
- self.send(self.pg0, p_g)
-
- capture = self.pg0.get_capture(4, timeout=10)
-
- self.verify_report(capture[0],
- [IgmpRecord(h3.sg, "Mode Is Include"),
- IgmpRecord(h2.sg, "Mode Is Include"),
- IgmpRecord(h6.sg, "Mode Is Include"),
- IgmpRecord(h4.sg, "Mode Is Include"),
- IgmpRecord(h5.sg, "Mode Is Include")])
- self.verify_report(capture[1],
- [IgmpRecord(h8.sg, "Mode Is Include")])
- self.verify_report(capture[2],
- [IgmpRecord(h7.sg, "Mode Is Include")])
- self.verify_report(capture[3],
- [IgmpRecord(h9.sg, "Mode Is Include")])
-
- #
- # drop the MTU further (so a 128 sized group won't fit)
- #
- self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [512, 0, 0, 0])
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- h10 = VppHostState(self,
- IGMP_FILTER.INCLUDE,
- self.pg0.sw_if_index,
- IgmpSG("238.1.1.3", src_list))
- h10.add_vpp_config()
-
- capture = self.pg0.get_capture(2, timeout=10)
- # wait for a little bit
- self.sleep(1)
-
- #
- # remove state, expect the report for the removal
- # the dump should be empty
- #
- self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [600, 0, 0, 0])
- self.remove_group(h8)
- self.remove_group(h9)
- self.remove_group(h2)
- self.remove_group(h3)
- self.remove_group(h4)
- self.remove_group(h5)
- self.remove_group(h6)
- self.remove_group(h7)
- self.remove_group(h10)
-
- self.logger.info(self.vapi.cli("sh igmp config"))
- self.assertFalse(self.vapi.igmp_dump())
-
- #
- # TODO
- # ADD STATE ON MORE INTERFACES
- #
-
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
- 0,
- IGMP_MODE.HOST)
-
- def test_igmp_router(self):
- """ IGMP Router Functions """
-
- #
- # Drop reports when not enabled
- #
- p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Allow New Sources",
- maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
- p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Block Old Sources",
- maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
-
- self.send(self.pg0, p_j)
- self.assertFalse(self.vapi.igmp_dump())
-
- #
- # drop the default timer values so these tests execute in a
- # reasonable time frame
- #
- self.vapi.cli("test igmp timers query 1 src 3 leave 1")
-
- #
- # enable router functions on the interface
- #
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
- 1,
- IGMP_MODE.ROUTER)
- self.vapi.want_igmp_events(1)
-
- #
- # wait for router to send general query
- #
- for ii in range(3):
- capture = self.pg0.get_capture(1, timeout=2)
- self.verify_general_query(capture[0])
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- #
- # re-send the report. VPP should now hold state for the new group
- # VPP sends a notification that a new group has been joined
- #
- self.send(self.pg0, p_j)
-
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.1", 1))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 1))
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 2)
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", "10.1.1.1"))
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", "10.1.1.2"))
-
- #
- # wait for the per-source timer to expire
- # the state should be reaped
- # VPP sends a notification that the group has been left
- #
- self.assertTrue(wait_for_igmp_event(self, 4, self.pg0,
- "239.1.1.1", "10.1.1.1", 0))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 0))
- self.assertFalse(self.vapi.igmp_dump())
-
- #
- # resend the join. wait for two queries and then send a current-state
- # record to include all sources. this should reset the expiry time
- # on the sources and thus they will still be present in 2 seconds time.
- # If the source timer was not refreshed, then the state would have
- # expired in 3 seconds.
- #
- self.send(self.pg0, p_j)
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.1", 1))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 1))
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 2)
-
- capture = self.pg0.get_capture(2, timeout=3)
- self.verify_general_query(capture[0])
- self.verify_general_query(capture[1])
-
- p_cs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Mode Is Include",
- maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
-
- self.send(self.pg0, p_cs)
-
- self.sleep(2)
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 2)
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", "10.1.1.1"))
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.1", "10.1.1.2"))
-
- #
- # wait for the per-source timer to expire
- # the state should be reaped
- #
- self.assertTrue(wait_for_igmp_event(self, 4, self.pg0,
- "239.1.1.1", "10.1.1.1", 0))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 0))
- self.assertFalse(self.vapi.igmp_dump())
-
- #
- # resend the join, then a leave. Router sends a group+source
- # specific query containing both sources
- #
- self.send(self.pg0, p_j)
-
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.1", 1))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 1))
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertEqual(len(dump), 2)
-
- self.send(self.pg0, p_l)
- capture = self.pg0.get_capture(1, timeout=3)
- self.verify_group_query(capture[0], "239.1.1.1",
- ["10.1.1.1", "10.1.1.2"])
-
- #
- # the group specific query drops the timeout to leave (=1) seconds
- #
- self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
- "239.1.1.1", "10.1.1.1", 0))
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.1", "10.1.1.2", 0))
- self.assertFalse(self.vapi.igmp_dump())
- self.assertFalse(self.vapi.igmp_dump())
-
- #
- # a TO_EX({}) / IN_EX({}) is treated like a (*,G) join
- #
- p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Change To Exclude Mode", maddr="239.1.1.2"))
-
- self.send(self.pg0, p_j)
-
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.2", "0.0.0.0", 1))
-
- p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Mode Is Exclude", maddr="239.1.1.3"))
-
- self.send(self.pg0, p_j)
-
- self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
- "239.1.1.3", "0.0.0.0", 1))
-
- #
- # A 'allow sources' for {} should be ignored as it should
- # never be sent.
- #
- p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Allow New Sources", maddr="239.1.1.4"))
-
- self.send(self.pg0, p_j)
-
- dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.2", "0.0.0.0"))
- self.assertTrue(find_igmp_state(dump, self.pg0,
- "239.1.1.3", "0.0.0.0"))
- self.assertFalse(find_igmp_state(dump, self.pg0,
- "239.1.1.4", "0.0.0.0"))
-
- #
- # a TO_IN({}) and IS_IN({}) are treated like a (*,G) leave
- #
- self.vapi.cli("set logging class igmp level debug")
- p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Change To Include Mode", maddr="239.1.1.2"))
-
- self.send(self.pg0, p_l)
- self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
- "239.1.1.2", "0.0.0.0", 0))
-
- p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype="Mode Is Include", maddr="239.1.1.3"))
-
- self.send(self.pg0, p_l)
-
- self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
- "239.1.1.3", "0.0.0.0", 0))
- self.assertFalse(self.vapi.igmp_dump(self.pg0.sw_if_index))
-
- #
- # disable router config
- #
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
- 0,
- IGMP_MODE.ROUTER)
-
- def _create_igmpv3_pck(self, itf, rtype, maddr, srcaddrs):
- p = (Ether(dst=itf.local_mac, src=itf.remote_mac) /
- IP(src=itf.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
- options=[IPOption(copy_flag=1, optclass="control",
- option="router_alert")]) /
- IGMPv3(type="Version 3 Membership Report") /
- IGMPv3mr(numgrp=1) /
- IGMPv3gr(rtype=rtype,
- maddr=maddr, srcaddrs=srcaddrs))
- return p
-
- def test_igmp_proxy_device(self):
- """ IGMP proxy device """
- self.pg2.admin_down()
- self.pg2.unconfig_ip4()
- self.pg2.set_table_ip4(0)
- self.pg2.config_ip4()
- self.pg2.admin_up()
-
- self.vapi.cli('test igmp timers query 10 src 3 leave 1')
-
- # enable IGMP
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 1, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 1,
- IGMP_MODE.ROUTER)
- self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 1,
- IGMP_MODE.ROUTER)
-
- # create IGMP proxy device
- self.vapi.igmp_proxy_device_add_del(0, self.pg0.sw_if_index, 1)
- self.vapi.igmp_proxy_device_add_del_interface(0,
- self.pg1.sw_if_index, 1)
- self.vapi.igmp_proxy_device_add_del_interface(0,
- self.pg2.sw_if_index, 1)
-
- # send join on pg1. join should be proxied by pg0
- p_j = self._create_igmpv3_pck(self.pg1, "Allow New Sources",
- "239.1.1.1", ["10.1.1.1", "10.1.1.2"])
- self.send(self.pg1, p_j)
-
- capture = self.pg0.get_capture(1, timeout=1)
- self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
- ["10.1.1.1", "10.1.1.2"]), "Allow New Sources")])
- self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
-
- # send join on pg2. join should be proxied by pg0.
- # the group should contain only 10.1.1.3 as
- # 10.1.1.1 was already reported
- p_j = self._create_igmpv3_pck(self.pg2, "Allow New Sources",
- "239.1.1.1", ["10.1.1.1", "10.1.1.3"])
- self.send(self.pg2, p_j)
-
- capture = self.pg0.get_capture(1, timeout=1)
- self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
- ["10.1.1.3"]), "Allow New Sources")])
- self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
-
- # send leave on pg2. leave for 10.1.1.3 should be proxyed
- # as pg2 was the only interface interested in 10.1.1.3
- p_l = self._create_igmpv3_pck(self.pg2, "Block Old Sources",
- "239.1.1.1", ["10.1.1.3"])
- self.send(self.pg2, p_l)
-
- capture = self.pg0.get_capture(1, timeout=2)
- self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
- ["10.1.1.3"]), "Block Old Sources")])
- self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
-
- # disable igmp on pg1 (also removes interface from proxy device)
- # proxy leave for 10.1.1.2. pg2 is still interested in 10.1.1.1
- self.pg_enable_capture(self.pg_interfaces)
- self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 0,
- IGMP_MODE.ROUTER)
-
- capture = self.pg0.get_capture(1, timeout=1)
- self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
- ["10.1.1.2"]), "Block Old Sources")])
- self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
-
- # disable IGMP on pg0 and pg1.
- # disabling IGMP on pg0 (proxy device upstream interface)
- # removes this proxy device
- self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 0, IGMP_MODE.HOST)
- self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 0,
- IGMP_MODE.ROUTER)
- self.assertFalse(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
-
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff