xref: /linux/tools/testing/selftests/net/netns-name.sh (revision 4f9786035f9e519db41375818e1d0b5f20da2f10)
13920431dSJakub Kicinski#!/bin/bash
23920431dSJakub Kicinski# SPDX-License-Identifier: GPL-2.0
33920431dSJakub Kicinski
4f6476dedSHangbin Liusource lib.sh
53920431dSJakub Kicinskiset -o pipefail
63920431dSJakub Kicinski
73920431dSJakub KicinskiDEV=dummy-dev0
83920431dSJakub KicinskiDEV2=dummy-dev1
93920431dSJakub KicinskiALT_NAME=some-alt-name
10*56c8a23fSStanislav FomichevNSIM_ADDR=2025
113920431dSJakub Kicinski
123920431dSJakub KicinskiRET_CODE=0
133920431dSJakub Kicinski
143920431dSJakub Kicinskicleanup() {
15*56c8a23fSStanislav Fomichev    cleanup_netdevsim $NSIM_ADDR
16f6476dedSHangbin Liu    cleanup_ns $NS $test_ns
173920431dSJakub Kicinski}
183920431dSJakub Kicinski
193920431dSJakub Kicinskitrap cleanup EXIT
203920431dSJakub Kicinski
213920431dSJakub Kicinskifail() {
223920431dSJakub Kicinski    echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2
233920431dSJakub Kicinski    RET_CODE=1
243920431dSJakub Kicinski}
253920431dSJakub Kicinski
26f6476dedSHangbin Liusetup_ns NS test_ns
273920431dSJakub Kicinski
283920431dSJakub Kicinski#
293920431dSJakub Kicinski# Test basic move without a rename
30*56c8a23fSStanislav Fomichev# Use netdevsim because it has extra asserts for notifiers.
313920431dSJakub Kicinski#
32*56c8a23fSStanislav Fomichev
33*56c8a23fSStanislav Fomichevnsim=$(create_netdevsim $NSIM_ADDR $NS)
34*56c8a23fSStanislav Fomichevip -netns $NS link set dev $nsim netns $test_ns ||
353920431dSJakub Kicinski    fail "Can't perform a netns move"
36*56c8a23fSStanislav Fomichevip -netns $test_ns link show dev $nsim >> /dev/null ||
37*56c8a23fSStanislav Fomichev    fail "Device not found after move"
38*56c8a23fSStanislav Fomichevcleanup_netdevsim $NSIM_ADDR
393920431dSJakub Kicinski
403920431dSJakub Kicinski#
413920431dSJakub Kicinski# Test move with a conflict
423920431dSJakub Kicinski#
43f6476dedSHangbin Liuip -netns $test_ns link add name $DEV type dummy
443920431dSJakub Kicinskiip -netns $NS link add name $DEV type dummy || fail
45f6476dedSHangbin Liuip -netns $NS link set dev $DEV netns $test_ns 2> /dev/null &&
463920431dSJakub Kicinski    fail "Performed a netns move with a name conflict"
47f6476dedSHangbin Liuip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found after move"
483920431dSJakub Kicinskiip -netns $NS link del $DEV || fail
49f6476dedSHangbin Liuip -netns $test_ns link del $DEV || fail
503920431dSJakub Kicinski
513920431dSJakub Kicinski#
523920431dSJakub Kicinski# Test move with a conflict and rename
533920431dSJakub Kicinski#
54f6476dedSHangbin Liuip -netns $test_ns link add name $DEV type dummy
553920431dSJakub Kicinskiip -netns $NS link add name $DEV type dummy || fail
56f6476dedSHangbin Liuip -netns $NS link set dev $DEV netns $test_ns name $DEV2 ||
573920431dSJakub Kicinski    fail "Can't perform a netns move with rename"
58f6476dedSHangbin Liuip -netns $test_ns link del $DEV2 || fail
59f6476dedSHangbin Liuip -netns $test_ns link del $DEV || fail
603920431dSJakub Kicinski
613920431dSJakub Kicinski#
623920431dSJakub Kicinski# Test dup alt-name with netns move
633920431dSJakub Kicinski#
64f6476dedSHangbin Liuip -netns $test_ns link add name $DEV type dummy || fail
65f6476dedSHangbin Liuip -netns $test_ns link property add dev $DEV altname $ALT_NAME || fail
663920431dSJakub Kicinskiip -netns $NS link add name $DEV2 type dummy || fail
673920431dSJakub Kicinskiip -netns $NS link property add dev $DEV2 altname $ALT_NAME || fail
683920431dSJakub Kicinski
69f6476dedSHangbin Liuip -netns $NS link set dev $DEV2 netns $test_ns 2> /dev/null &&
703920431dSJakub Kicinski    fail "Moved with alt-name dup"
713920431dSJakub Kicinski
72f6476dedSHangbin Liuip -netns $test_ns link del $DEV || fail
733920431dSJakub Kicinskiip -netns $NS link del $DEV2 || fail
743920431dSJakub Kicinski
753920431dSJakub Kicinski#
763920431dSJakub Kicinski# Test creating alt-name in one net-ns and using in another
773920431dSJakub Kicinski#
783920431dSJakub Kicinskiip -netns $NS link add name $DEV type dummy || fail
793920431dSJakub Kicinskiip -netns $NS link property add dev $DEV altname $ALT_NAME || fail
80f6476dedSHangbin Liuip -netns $NS link set dev $DEV netns $test_ns || fail
81f6476dedSHangbin Liuip -netns $test_ns link show dev $ALT_NAME >> /dev/null || fail "Can't find alt-name after move"
823920431dSJakub Kicinskiip -netns $NS link show dev $ALT_NAME 2> /dev/null &&
833920431dSJakub Kicinski    fail "Can still find alt-name after move"
84f6476dedSHangbin Liuip -netns $test_ns link del $DEV || fail
853920431dSJakub Kicinski
8685cb3711SXiao Liang#
8785cb3711SXiao Liang# Test no conflict of the same name/ifindex in different netns
8885cb3711SXiao Liang#
8985cb3711SXiao Liangip -netns $NS link add name $DEV index 100 type dummy || fail
9085cb3711SXiao Liangip -netns $NS link add netns $test_ns name $DEV index 100 type dummy ||
9185cb3711SXiao Liang    fail "Can create in netns without moving"
9285cb3711SXiao Liangip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found"
9385cb3711SXiao Liangip -netns $NS link del $DEV || fail
9485cb3711SXiao Liangip -netns $test_ns link del $DEV || fail
9585cb3711SXiao Liang
963920431dSJakub Kicinskiecho -ne "$(basename $0) \t\t\t\t"
973920431dSJakub Kicinskiif [ $RET_CODE -eq 0 ]; then
983920431dSJakub Kicinski    echo "[  OK  ]"
993920431dSJakub Kicinskielse
1003920431dSJakub Kicinski    echo "[ FAIL ]"
1013920431dSJakub Kicinskifi
1023920431dSJakub Kicinskiexit $RET_CODE
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