tools/testing/selftests/net/netns-name.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 source lib.sh
   5 set -o pipefail
   6
   7 DEV=dummy-dev0
   8 DEV2=dummy-dev1
   9 ALT_NAME=some-alt-name
  10
  11 RET_CODE=0
  12
  13 cleanup() {
  14     cleanup_ns $NS $test_ns
  15 }
  16
  17 trap cleanup EXIT
  18
  19 fail() {
  20     echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2
  21     RET_CODE=1
  22 }
  23
  24 setup_ns NS test_ns
  25
  26 #
  27 # Test basic move without a rename
  28 #
  29 ip -netns $NS link add name $DEV type dummy || fail
  30 ip -netns $NS link set dev $DEV netns $test_ns ||
  31     fail "Can't perform a netns move"
  32 ip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found after move"
  33 ip -netns $test_ns link del $DEV || fail
  34
  35 #
  36 # Test move with a conflict
  37 #
  38 ip -netns $test_ns link add name $DEV type dummy
  39 ip -netns $NS link add name $DEV type dummy || fail
  40 ip -netns $NS link set dev $DEV netns $test_ns 2> /dev/null &&
  41     fail "Performed a netns move with a name conflict"
  42 ip -netns $test_ns link show dev $DEV >> /dev/null || fail "Device not found after move"
  43 ip -netns $NS link del $DEV || fail
  44 ip -netns $test_ns link del $DEV || fail
  45
  46 #
  47 # Test move with a conflict and rename
  48 #
  49 ip -netns $test_ns link add name $DEV type dummy
  50 ip -netns $NS link add name $DEV type dummy || fail
  51 ip -netns $NS link set dev $DEV netns $test_ns name $DEV2 ||
  52     fail "Can't perform a netns move with rename"
  53 ip -netns $test_ns link del $DEV2 || fail
  54 ip -netns $test_ns link del $DEV || fail
  55
  56 #
  57 # Test dup alt-name with netns move
  58 #
  59 ip -netns $test_ns link add name $DEV type dummy || fail
  60 ip -netns $test_ns link property add dev $DEV altname $ALT_NAME || fail
  61 ip -netns $NS link add name $DEV2 type dummy || fail
  62 ip -netns $NS link property add dev $DEV2 altname $ALT_NAME || fail
  63
  64 ip -netns $NS link set dev $DEV2 netns $test_ns 2> /dev/null &&
  65     fail "Moved with alt-name dup"
  66
  67 ip -netns $test_ns link del $DEV || fail
  68 ip -netns $NS link del $DEV2 || fail
  69
  70 #
  71 # Test creating alt-name in one net-ns and using in another
  72 #
  73 ip -netns $NS link add name $DEV type dummy || fail
  74 ip -netns $NS link property add dev $DEV altname $ALT_NAME || fail
  75 ip -netns $NS link set dev $DEV netns $test_ns || fail
  76 ip -netns $test_ns link show dev $ALT_NAME >> /dev/null || fail "Can't find alt-name after move"
  77 ip -netns $NS link show dev $ALT_NAME 2> /dev/null &&
  78     fail "Can still find alt-name after move"
  79 ip -netns $test_ns link del $DEV || fail
  80
  81 echo -ne "$(basename $0) \t\t\t\t"
  82 if [ $RET_CODE -eq 0 ]; then
  83     echo "[  OK  ]"
  84 else
  85     echo "[ FAIL ]"
  86 fi
  87 exit $RET_CODE