[src/trunk]: src/tests/net tests: abort if MAC address duplication found

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

details:   https://anonhg.NetBSD.org/src/rev/938d87774339
branches:  trunk
changeset: 744990:938d87774339
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Feb 20 08:02:26 2020 +0000

description:
tests: abort if MAC address duplication found

diffstat:

 tests/net/net_common.sh |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (39 lines):

diff -r 48f071598c25 -r 938d87774339 tests/net/net_common.sh
--- a/tests/net/net_common.sh   Thu Feb 20 07:58:19 2020 +0000
+++ b/tests/net/net_common.sh   Thu Feb 20 08:02:26 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: net_common.sh,v 1.38 2020/02/20 07:58:19 ozaki-r Exp $
+#      $NetBSD: net_common.sh,v 1.39 2020/02/20 08:02:26 ozaki-r Exp $
 #
 # Copyright (c) 2016 Internet Initiative Japan Inc.
 # All rights reserved.
@@ -183,6 +183,7 @@
 _rump_server_socks=./.__socks
 _rump_server_ifaces=./.__ifaces
 _rump_server_buses=./.__buses
+_rump_server_macaddrs=./.__macaddrs
 
 DEBUG_SYSCTL_ENTRIES="net.inet.arp.debug net.inet6.icmp6.nd6_debug \
     net.inet.ipsec.debug"
@@ -318,14 +319,21 @@
        local ifname=$2
        local bus=$3
        local backup=$RUMP_SERVER
+       local macaddr=
 
        export RUMP_SERVER=$sock
        atf_check -s exit:0 rump.ifconfig $ifname create
        if [ -n "$bus" ]; then
                atf_check -s exit:0 rump.ifconfig $ifname linkstr $bus
        fi
+       macaddr=$(get_macaddr $sock $ifname)
        export RUMP_SERVER=$backup
 
+       if [ -f $_rump_server_macaddrs ]; then
+               atf_check -s not-exit:0 grep -q $macaddr $_rump_server_macaddrs
+       fi
+       echo $macaddr >> $_rump_server_macaddrs
+
        echo $sock $ifname >> $_rump_server_ifaces
        $DEBUG && cat $_rump_server_ifaces