Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3#
4# This test is for checking rtnetlink notification callpaths, and get as much
5# coverage as possible.
6#
7# set -e
8
9ALL_TESTS="
10 kci_test_mcast_addr_notification
11 kci_test_anycast_addr_notification
12"
13
14source lib.sh
15test_dev="test-dummy1"
16
17kci_test_mcast_addr_notification()
18{
19 RET=0
20 local tmpfile
21 local monitor_pid
22 local match_result
23
24 tmpfile=$(mktemp)
25 defer rm "$tmpfile"
26
27 ip monitor maddr > $tmpfile &
28 monitor_pid=$!
29 defer kill_process "$monitor_pid"
30
31 sleep 1
32
33 if [ ! -e "/proc/$monitor_pid" ]; then
34 RET=$ksft_skip
35 log_test "mcast addr notification: iproute2 too old"
36 return $RET
37 fi
38
39 ip link add name "$test_dev" type dummy
40 check_err $? "failed to add dummy interface"
41 ip link set "$test_dev" up
42 check_err $? "failed to set dummy interface up"
43 ip link del dev "$test_dev"
44 check_err $? "Failed to delete dummy interface"
45 sleep 1
46
47 # There should be 4 line matches as follows.
48 # 13: test-dummy1 inet6 mcast ff02::1 scope global
49 # 13: test-dummy1 inet mcast 224.0.0.1 scope global
50 # Deleted 13: test-dummy1 inet mcast 224.0.0.1 scope global
51 # Deleted 13: test-dummy1 inet6 mcast ff02::1 scope global
52 match_result=$(grep -cE "$test_dev.*(224.0.0.1|ff02::1)" "$tmpfile")
53 if [ "$match_result" -ne 4 ]; then
54 RET=$ksft_fail
55 fi
56 log_test "mcast addr notification: Expected 4 matches, got $match_result"
57 return $RET
58}
59
60kci_test_anycast_addr_notification()
61{
62 RET=0
63 local tmpfile
64 local monitor_pid
65 local match_result
66
67 tmpfile=$(mktemp)
68 defer rm "$tmpfile"
69
70 ip monitor acaddress > "$tmpfile" &
71 monitor_pid=$!
72 defer kill_process "$monitor_pid"
73 sleep 1
74
75 if [ ! -e "/proc/$monitor_pid" ]; then
76 RET=$ksft_skip
77 log_test "anycast addr notification: iproute2 too old"
78 return "$RET"
79 fi
80
81 ip link add name "$test_dev" type dummy
82 check_err $? "failed to add dummy interface"
83 ip link set "$test_dev" up
84 check_err $? "failed to set dummy interface up"
85 sysctl -qw net.ipv6.conf."$test_dev".forwarding=1
86 ip link del dev "$test_dev"
87 check_err $? "Failed to delete dummy interface"
88 sleep 1
89
90 # There should be 2 line matches as follows.
91 # 9: dummy2 inet6 any fe80:: scope global
92 # Deleted 9: dummy2 inet6 any fe80:: scope global
93 match_result=$(grep -cE "$test_dev.*(fe80::)" "$tmpfile")
94 if [ "$match_result" -ne 2 ]; then
95 RET=$ksft_fail
96 fi
97 log_test "anycast addr notification: Expected 2 matches, got $match_result"
98 return "$RET"
99}
100
101#check for needed privileges
102if [ "$(id -u)" -ne 0 ];then
103 RET=$ksft_skip
104 log_test "need root privileges"
105 exit $RET
106fi
107
108require_command ip
109
110tests_run
111
112exit $EXIT_STATUS