xref: /freebsd/tests/sys/net/routing/test_routing_l3.py (revision 02e9120893770924227138ba49df1edb3896112a) 
1import ipaddress
2import socket
3
4import pytest
5from atf_python.sys.net.rtsock import RtConst
6from atf_python.sys.net.rtsock import Rtsock
7from atf_python.sys.net.rtsock import RtsockRtMessage
8from atf_python.sys.net.rtsock import SaHelper
9from atf_python.sys.net.tools import ToolsHelper
10from atf_python.sys.net.vnet import SingleVnetTestTemplate
11from atf_python.sys.net.vnet import VnetTestTemplate
12
13
14class TestIfOps(VnetTestTemplate):
15    TOPOLOGY = {
16        "vnet1": {"ifaces": ["if1", "if2"]},
17        "if1": {"prefixes4": [], "prefixes6": []},
18        "if2": {"prefixes4": [], "prefixes6": []},
19    }
20
21    @pytest.mark.parametrize("family", ["inet", "inet6"])
22    @pytest.mark.require_user("root")
23    def test_change_prefix_route(self, family):
24        """Tests that prefix route changes to the new one upon addr deletion"""
25        vnet = self.vnet_map["vnet1"]
26        first_iface = vnet.iface_alias_map["if1"]
27        second_iface = vnet.iface_alias_map["if2"]
28        if family == "inet":
29            first_addr = ipaddress.ip_interface("192.0.2.1/24")
30            second_addr = ipaddress.ip_interface("192.0.2.2/24")
31        else:
32            first_addr = ipaddress.ip_interface("2001:db8::1/64")
33            second_addr = ipaddress.ip_interface("2001:db8::2/64")
34
35        first_iface.setup_addr(str(first_addr))
36        second_iface.setup_addr(str(second_addr))
37
38        # At this time prefix should be pointing to the first interface
39        routes = ToolsHelper.get_routes(family)
40        px = [r for r in routes if r["destination"] == str(first_addr.network)][0]
41        assert px["interface-name"] == first_iface.name
42
43        # Now delete address from the first interface and verify switchover
44        first_iface.delete_addr(first_addr.ip)
45
46        routes = ToolsHelper.get_routes(family)
47        px = [r for r in routes if r["destination"] == str(first_addr.network)][0]
48        assert px["interface-name"] == second_iface.name
49
50    @pytest.mark.parametrize(
51        "family",
52        [
53            "inet",
54            pytest.param("inet6", marks=pytest.mark.xfail(reason="currently fails")),
55        ],
56    )
57    @pytest.mark.require_user("root")
58    def test_change_prefix_route_same_iface(self, family):
59        """Tests that prefix route changes to the new ifa upon addr deletion"""
60        vnet = self.vnet_map["vnet1"]
61        first_iface = vnet.iface_alias_map["if1"]
62
63        if family == "inet":
64            first_addr = ipaddress.ip_interface("192.0.2.1/24")
65            second_addr = ipaddress.ip_interface("192.0.2.2/24")
66        else:
67            first_addr = ipaddress.ip_interface("2001:db8::1/64")
68            second_addr = ipaddress.ip_interface("2001:db8::2/64")
69
70        first_iface.setup_addr(str(first_addr))
71        first_iface.setup_addr(str(second_addr))
72
73        # At this time prefix should be pointing to the first interface
74        routes = ToolsHelper.get_routes(family)
75        px = [r for r in routes if r["destination"] == str(first_addr.network)][0]
76        assert px["interface-name"] == first_iface.name
77
78        # Now delete address from the first interface and verify switchover
79        first_iface.delete_addr(str(first_addr.ip))
80
81        routes = ToolsHelper.get_routes(family)
82        px = [r for r in routes if r["destination"] == str(first_addr.network)][0]
83        nhop_kidx = px["nhop"]
84        assert px["interface-name"] == first_iface.name
85        nhops = ToolsHelper.get_nhops(family)
86        nh = [nh for nh in nhops if nh["index"] == nhop_kidx][0]
87        assert nh["ifa"] == str(second_addr.ip)
88
89
90class TestRouteCornerCase1(SingleVnetTestTemplate):
91    @pytest.mark.parametrize("family", ["inet", "inet6"])
92    @pytest.mark.require_user("root")
93    def test_add_direct_route_p2p_wo_ifa(self, family):
94
95        tun_ifname = ToolsHelper.get_output("/sbin/ifconfig tun create").rstrip()
96        tun_ifindex = socket.if_nametoindex(tun_ifname)
97        assert tun_ifindex > 0
98        rtsock = Rtsock()
99
100        if family == "inet":
101            prefix = "172.16.0.0/12"
102        else:
103            prefix = "2a02:6b8::/64"
104        IFT_ETHER = 0x06
105        gw_link = SaHelper.link_sa(ifindex=tun_ifindex, iftype=IFT_ETHER)
106
107        msg = rtsock.new_rtm_add(prefix, gw_link)
108        msg.add_link_attr(RtConst.RTA_IFP, tun_ifindex)
109        rtsock.write_message(msg)
110
111        data = rtsock.read_data(msg.rtm_seq)
112        msg_in = RtsockRtMessage.from_bytes(data)
113        msg_in.print_in_message()
114
115        desired_sa = {
116            RtConst.RTA_DST: msg.get_sa(RtConst.RTA_DST),
117            RtConst.RTA_NETMASK: msg.get_sa(RtConst.RTA_NETMASK),
118        }
119
120        msg_in.verify(msg.rtm_type, desired_sa)
121