diff options
author | Jakub Kicinski <kuba@kernel.org> | 2023-10-18 04:38:17 +0300 |
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committer | Paolo Abeni <pabeni@redhat.com> | 2023-10-19 16:51:16 +0300 |
commit | 3920431d98a9ff26002b16802c153d3df5f55926 (patch) | |
tree | cad038db44079a0d81831df779acc5b14aba3888 /tools/testing/selftests/net/netns-name.sh | |
parent | 8e15aee621618a3ee3abecaf1fd8c1428098b7ef (diff) | |
download | linux-3920431d98a9ff26002b16802c153d3df5f55926.tar.xz |
selftests: net: add very basic test for netdev names and namespaces
Add selftest for fixes around naming netdevs and namespaces.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'tools/testing/selftests/net/netns-name.sh')
-rwxr-xr-x | tools/testing/selftests/net/netns-name.sh | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/netns-name.sh b/tools/testing/selftests/net/netns-name.sh new file mode 100755 index 000000000000..7d3d3fc99461 --- /dev/null +++ b/tools/testing/selftests/net/netns-name.sh @@ -0,0 +1,87 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +set -o pipefail + +NS=netns-name-test +DEV=dummy-dev0 +DEV2=dummy-dev1 +ALT_NAME=some-alt-name + +RET_CODE=0 + +cleanup() { + ip netns del $NS +} + +trap cleanup EXIT + +fail() { + echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2 + RET_CODE=1 +} + +ip netns add $NS + +# +# Test basic move without a rename +# +ip -netns $NS link add name $DEV type dummy || fail +ip -netns $NS link set dev $DEV netns 1 || + fail "Can't perform a netns move" +ip link show dev $DEV >> /dev/null || fail "Device not found after move" +ip link del $DEV || fail + +# +# Test move with a conflict +# +ip link add name $DEV type dummy +ip -netns $NS link add name $DEV type dummy || fail +ip -netns $NS link set dev $DEV netns 1 2> /dev/null && + fail "Performed a netns move with a name conflict" +ip link show dev $DEV >> /dev/null || fail "Device not found after move" +ip -netns $NS link del $DEV || fail +ip link del $DEV || fail + +# +# Test move with a conflict and rename +# +ip link add name $DEV type dummy +ip -netns $NS link add name $DEV type dummy || fail +ip -netns $NS link set dev $DEV netns 1 name $DEV2 || + fail "Can't perform a netns move with rename" +ip link del $DEV2 || fail +ip link del $DEV || fail + +# +# Test dup alt-name with netns move +# +ip link add name $DEV type dummy || fail +ip link property add dev $DEV altname $ALT_NAME || fail +ip -netns $NS link add name $DEV2 type dummy || fail +ip -netns $NS link property add dev $DEV2 altname $ALT_NAME || fail + +ip -netns $NS link set dev $DEV2 netns 1 2> /dev/null && + fail "Moved with alt-name dup" + +ip link del $DEV || fail +ip -netns $NS link del $DEV2 || fail + +# +# Test creating alt-name in one net-ns and using in another +# +ip -netns $NS link add name $DEV type dummy || fail +ip -netns $NS link property add dev $DEV altname $ALT_NAME || fail +ip -netns $NS link set dev $DEV netns 1 || fail +ip link show dev $ALT_NAME >> /dev/null || fail "Can't find alt-name after move" +ip -netns $NS link show dev $ALT_NAME 2> /dev/null && + fail "Can still find alt-name after move" +ip link del $DEV || fail + +echo -ne "$(basename $0) \t\t\t\t" +if [ $RET_CODE -eq 0 ]; then + echo "[ OK ]" +else + echo "[ FAIL ]" +fi +exit $RET_CODE |