selftests/net/ndisc_unsolicited_na_test.sh

2 # SPDX-License-Identifier: GPL-2.0
5 # enable RFC9131 behaviour. The following is the test-matrix.
7 # ----   ------  ------  ----------------------------------------------
19 HOST_INTF="veth-host"
20 ROUTER_INTF="veth-router"
33 	local rc=$1
34 	local expected=$2
35 	local msg="$3"
37 	if [ ${rc} -eq ${expected} ]; then
38 		printf "    TEST: %-60s  [ OK ]\n" "${msg}"
43 		printf "    TEST: %-60s  [FAIL]\n" "${msg}"
62 	set -e
64 	local drop_unsolicited_na=$1
65 	local accept_untracked_na=$2
66 	local forwarding=$3
69 	# On end of the tunnel is a router and the other end is a host.
71 	IP_HOST="ip -6 -netns ${HOST_NS}"
73 	IP_ROUTER="ip -6 -netns ${ROUTER_NS}"
79 	# Enable IPv6 on both router and host, and configure static addresses.
82 	# forwarding=0 case is to check that a non-router
85 	${IP_ROUTER_EXEC} sysctl -qw \
87 	${IP_ROUTER_EXEC} sysctl -qw \
89 	${IP_ROUTER_EXEC} sysctl -qw \
91 	${IP_ROUTER_EXEC} sysctl -qw ${ROUTER_CONF}.disable_ipv6=0
94 	# Turn on ndisc_notify on host interface so that
95 	# the host sends unsolicited NAs.
97 	${IP_HOST_EXEC} sysctl -qw ${HOST_CONF}.ndisc_notify=1
98 	${IP_HOST_EXEC} sysctl -qw ${HOST_CONF}.disable_ipv6=0
105 	set -e
109                 tcpdump --immediate-mode -tpni ${ROUTER_INTF} -c 1 \
117 	set -e
118 	[[ ! -z  ${tcpdump_stdout} ]] && rm -f ${tcpdump_stdout}
119 	[[ ! -z  ${tcpdump_stderr} ]] && rm -f ${tcpdump_stderr}
133 	set -e
140 	local drop_unsolicited_na=$1
141 	local accept_untracked_na=$2
142 	local forwarding=$3
146 	if [ ${drop_unsolicited_na} -eq 0 ] && \
147 			[ ${accept_untracked_na} -eq 1 ] && \
148 			[ ${forwarding} -eq 1 ]; then
153 		[[ -z ${neigh_show_output} ]]
205         -p          Pause on fail
206         -P          Pause after each test before cleanup
226 if [ "$(id -u)" -ne 0 ];then
231 if [ ! -x "$(command -v ip)" ]; then
236 if [ ! -x "$(command -v tcpdump)" ]; then