1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4source lib.sh
5set -o pipefail
6
7DEV=dummy-dev0
8DEV2=dummy-dev1
9ALT_NAME=some-alt-name
10NSIM_ADDR=2025
11
12RET_CODE=0
13
14cleanup() {
15    cleanup_netdevsim $NSIM_ADDR
16    cleanup_ns $NS $test_ns
17}
18
19trap cleanup EXIT
20
21fail() {
22    echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2
23    RET_CODE=1
24}
25
26setup_ns NS test_ns
27
28#
29# Test basic move without a rename
30# Use netdevsim because it has extra asserts for notifiers.
31#
32
33nsim=$(create_netdevsim $NSIM_ADDR $NS)
34ip -netns $NS link set dev $nsim netns $test_ns ||
35    fail "Can't perform a netns move"
36ip -netns $test_ns link show dev $nsim >> /dev/null ||
37    fail "Device not found after move"
38cleanup_netdevsim $NSIM_ADDR
39
40#
41# Test move with a conflict
42#
43ip -netns $test_ns link add name $DEV type dummy
44ip -netns $NS link add name $DEV type dummy || fail
45ip -netns $NS link set dev $DEV netns $test_ns 2> /dev/null &&
46    fail "Performed a netns move with a name conflict"
47ip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found after move"
48ip -netns $NS link del $DEV || fail
49ip -netns $test_ns link del $DEV || fail
50
51#
52# Test move with a conflict and rename
53#
54ip -netns $test_ns link add name $DEV type dummy
55ip -netns $NS link add name $DEV type dummy || fail
56ip -netns $NS link set dev $DEV netns $test_ns name $DEV2 ||
57    fail "Can't perform a netns move with rename"
58ip -netns $test_ns link del $DEV2 || fail
59ip -netns $test_ns link del $DEV || fail
60
61#
62# Test dup alt-name with netns move
63#
64ip -netns $test_ns link add name $DEV type dummy || fail
65ip -netns $test_ns link property add dev $DEV altname $ALT_NAME || fail
66ip -netns $NS link add name $DEV2 type dummy || fail
67ip -netns $NS link property add dev $DEV2 altname $ALT_NAME || fail
68
69ip -netns $NS link set dev $DEV2 netns $test_ns 2> /dev/null &&
70    fail "Moved with alt-name dup"
71
72ip -netns $test_ns link del $DEV || fail
73ip -netns $NS link del $DEV2 || fail
74
75#
76# Test creating alt-name in one net-ns and using in another
77#
78ip -netns $NS link add name $DEV type dummy || fail
79ip -netns $NS link property add dev $DEV altname $ALT_NAME || fail
80ip -netns $NS link set dev $DEV netns $test_ns || fail
81ip -netns $test_ns link show dev $ALT_NAME >> /dev/null || fail "Can't find alt-name after move"
82ip -netns $NS link show dev $ALT_NAME 2> /dev/null &&
83    fail "Can still find alt-name after move"
84ip -netns $test_ns link del $DEV || fail
85
86#
87# Test no conflict of the same name/ifindex in different netns
88#
89ip -netns $NS link add name $DEV index 100 type dummy || fail
90ip -netns $NS link add netns $test_ns name $DEV index 100 type dummy ||
91    fail "Can create in netns without moving"
92ip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found"
93ip -netns $NS link del $DEV || fail
94ip -netns $test_ns link del $DEV || fail
95
96echo -ne "$(basename $0) \t\t\t\t"
97if [ $RET_CODE -eq 0 ]; then
98    echo "[  OK  ]"
99else
100    echo "[ FAIL ]"
101fi
102exit $RET_CODE
103