Test ICMPv6 to link local address and local address. In addition, this
test set could be extended to cover more situations in the future.
ICMPv6 to local addresses
TEST: Ping to link local address [OK]
TEST: Ping to link local address from ::1 [OK]
TEST: Ping to local address [OK]
TEST: Ping to local address from ::1 [OK]
Tests passed: 4
Tests failed: 0
Signed-off-by: Fernando Fernandez Mancera <[email protected]>
---
tools/testing/selftests/net/Makefile | 1 +
tools/testing/selftests/net/ipv6_icmp.sh | 204 +++++++++++++++++++++++
2 files changed, 205 insertions(+)
create mode 100755 tools/testing/selftests/net/ipv6_icmp.sh
diff --git a/tools/testing/selftests/net/Makefile
b/tools/testing/selftests/net/Makefile
index b66ba04f19d9..4d29b47bb084 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -47,6 +47,7 @@ TEST_PROGS := \
ip_local_port_range.sh \
ipv6_flowlabel.sh \
ipv6_force_forwarding.sh \
+ ipv6_icmp.sh \
ipv6_route_update_soft_lockup.sh \
l2_tos_ttl_inherit.sh \
l2tp.sh \
diff --git a/tools/testing/selftests/net/ipv6_icmp.sh
b/tools/testing/selftests/net/ipv6_icmp.sh
new file mode 100755
index 000000000000..d4764219007c
--- /dev/null
+++ b/tools/testing/selftests/net/ipv6_icmp.sh
@@ -0,0 +1,204 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# This test is for checking IPv6 ICMP behavior in different situations.
+source lib.sh
+ret=0
+
+# all tests in this script, can be overridden with -t option
+TESTS="icmpv6_to_local_address"
+
+VERBOSE=0
+PAUSE_ON_FAIL=no
+PAUSE=no
+
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf " TEST: %-60s [OK]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf " TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+
+ if [ "${PAUSE}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+}
+
+setup()
+{
+ set -e
+ setup_ns ns1
+ IP="$(which ip) -netns $ns1"
+ NS_EXEC="$(which ip) netns exec $ns1"
+
+ $IP link add dummy0 type dummy
+ $IP link set dev dummy0 up
+ $IP -6 address add 2001:db8:1::1/64 dev dummy0 nodad
+ set +e
+}
+
+cleanup()
+{
+ $IP link del dev dummy0 &> /dev/null
+ cleanup_ns $ns1
+}
+
+get_linklocal()
+{
+ local dev=$1
+ local addr
+
+ addr=$($IP -6 -br addr show dev ${dev} | \
+ awk '{
+ for (i = 3; i <= NF; ++i) {
+ if ($i ~ /^fe80/)
+ print $i
+ }
+ }'
+ )
+ addr=${addr/\/*}
+
+ [ -z "$addr" ] && return 1
+
+ echo $addr
+
+ return 0
+}
+
+run_cmd()
+{
+ local cmd="$1"
+ local out
+ local stderr="2>/dev/null"
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf " COMMAND: $cmd\n"
+ stderr=
+ fi
+
+ out=$(eval $cmd $stderr)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo " $out"
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+
+ return $rc
+}
+
+icmpv6_to_local_address()
+{
+ local rc
+
+ echo
+ echo "ICMPv6 to local addresses"
+
+ setup
+
+ local lldummy=$(get_linklocal dummy0)
+
+ if [ -z "$lldummy" ]; then
+ echo "Failed to get link local address for dummy0"
+ return 1
+ fi
+
+ # ping6 to link local address
+ run_cmd "$NS_EXEC ${ping6} -c 3 $lldummy%dummy0"
+ log_test $? 0 "Ping to link local address"
+
+ # ping6 to link local address from localhost (::1)
+ run_cmd "$NS_EXEC ${ping6} -c 3 -I ::1 $lldummy%dummy0"
+ log_test $? 0 "Ping to link local address from ::1"
+
+ # ping6 to local address
+ run_cmd "$NS_EXEC ${ping6} -c 3 2001:db8:1::1"
+ log_test $? 0 "Ping to local address"
+
+ # ping6 to local address from localhost (::1)
+ run_cmd "$NS_EXEC ${ping6} -c 3 -I ::1 2001:db8:1::1"
+ log_test $? 0 "Ping to local address from ::1"
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -t <test> Test(s) to run (default: all)
+ (options: $TESTS)
+ -p Pause on fail
+ -P Pause after each test before cleanup
+ -v Verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
+# main
+
+trap cleanup EXIT
+
+while getopts :t:pPhv o
+do
+ case $o in
+ t) TESTS=$OPTARG;;
+ p) PAUSE_ON_FAIL=yes;;
+ P) PAUSE=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
+
+if [ "$(id -u)" -ne 0 ];then
+ echo "SKIP: Need root privileges"
+ exit $ksft_skip;
+fi
+
+if [ ! -x "$(command -v ip)" ]; then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+# start clean
+cleanup &> /dev/null
+
+for t in $TESTS
+do
+ case $t in
+ icmpv6_to_local_address) icmpv6_to_local_address;;
+
+ help) echo "Test names: $TESTS"; exit 0;;
+ esac
+done
+
+if [ "$TESTS" != "none" ]; then
+ printf "\nTests passed: %3d\n" ${nsuccess}
+ printf "Tests failed: %3d\n" ${nfail}
+fi
+
+exit $ret
--
2.51.1
