[src/trunk]: src/tests/net/ndp Add tests for net.inet6.ip6.prefer_tempaddr

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/443d89bc19ca
branches:  trunk
changeset: 820664:443d89bc19ca
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Fri Jan 13 06:30:33 2017 +0000

description:
Add tests for net.inet6.ip6.prefer_tempaddr

diffstat:

 tests/net/ndp/t_ra.sh |  42 ++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 40 insertions(+), 2 deletions(-)

diffs (69 lines):

diff -r 08149365b69f -r 443d89bc19ca tests/net/ndp/t_ra.sh
--- a/tests/net/ndp/t_ra.sh     Fri Jan 13 06:30:09 2017 +0000
+++ b/tests/net/ndp/t_ra.sh     Fri Jan 13 06:30:33 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: t_ra.sh,v 1.22 2017/01/13 06:30:09 ozaki-r Exp $
+#      $NetBSD: t_ra.sh,v 1.23 2017/01/13 06:30:33 ozaki-r Exp $
 #
 # Copyright (c) 2015 Internet Initiative Japan Inc.
 # All rights reserved.
@@ -604,8 +604,19 @@
        atf_set "require.progs" "rump_server rump.rtadvd rump.ndp rump.ifconfig"
 }
 
+check_echo_request_pkt()
+{
+       local pkt="$2 > $3: .+ echo request"
+
+       extract_new_packets $1 > ./out
+       $DEBUG && echo $pkt
+       $DEBUG && cat ./out
+       atf_check -s exit:0 -o match:"$pkt" cat ./out
+}
+
 ra_temporary_address_body()
 {
+       local ip_auto= ip_temp=
 
        rump_server_fs_start $RUMPSRV netinet6
        rump_server_start $RUMPCLI netinet6
@@ -627,11 +638,38 @@
 
        check_entries $RUMPCLI $RUMPSRV $IP6SRV_PREFIX
 
+       export RUMP_SERVER=$RUMPCLI
+
        # Check temporary address
-       export RUMP_SERVER=$RUMPCLI
        atf_check -s exit:0 \
            -o match:"$IP6SRV_PREFIX.+<(TENTATIVE,)?AUTOCONF,TEMPORARY>" \
            rump.ifconfig shmif0 inet6
+
+       #
+       # Testing net.inet6.ip6.prefer_tempaddr
+       #
+       atf_check -s exit:0 rump.ifconfig -w 10
+       $DEBUG && rump.ifconfig shmif0
+       ip_auto=$(rump.ifconfig shmif0 |awk '/<AUTOCONF>/ {sub(/\/[0-9]*/, ""); print $2;}')
+       ip_temp=$(rump.ifconfig shmif0 |awk '/<AUTOCONF,TEMPORARY>/ {sub(/\/[0-9]*/, ""); print $2;}')
+       $DEBUG && echo $ip_auto $ip_temp
+
+       # Ignore old packets
+       extract_new_packets bus1 > /dev/null
+
+       atf_check -s exit:0 -o ignore rump.ping6 -n -X 2 -c 1 $IP6SRV
+       # autoconf (non-temporal) address should be used as the source address
+       check_echo_request_pkt bus1 $ip_auto $IP6SRV
+
+       # Enable net.inet6.ip6.prefer_tempaddr
+       atf_check -s exit:0 -o match:'0.->.1' \
+           rump.sysctl -w net.inet6.ip6.prefer_tempaddr=1
+
+       atf_check -s exit:0 -o ignore rump.ping6 -n -X 2 -c 1 $IP6SRV
+       # autoconf, temporal address should be used as the source address
+       check_echo_request_pkt bus1 $ip_auto $IP6SRV
+       check_echo_request_pkt bus1 $ip_temp $IP6SRV
+
        unset RUMP_SERVER
 
        atf_check -s exit:0 kill -TERM `cat ${PIDFILE}`