[src/trunk]: src/tests/net/arp Add tests for GARP

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

details:   https://anonhg.NetBSD.org/src/rev/8c037802781d
branches:  trunk
changeset: 809740:8c037802781d
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Jul 30 02:51:05 2015 +0000

description:
Add tests for GARP

diffstat:

 tests/net/arp/t_arp.sh |  75 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 73 insertions(+), 2 deletions(-)

diffs (130 lines):

diff -r 63554957d23a -r 8c037802781d tests/net/arp/t_arp.sh
--- a/tests/net/arp/t_arp.sh    Wed Jul 29 20:32:54 2015 +0000
+++ b/tests/net/arp/t_arp.sh    Thu Jul 30 02:51:05 2015 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: t_arp.sh,v 1.1 2015/07/29 06:10:10 ozaki-r Exp $
+#      $NetBSD: t_arp.sh,v 1.2 2015/07/30 02:51:05 ozaki-r Exp $
 #
 # Copyright (c) 2015 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -39,6 +39,7 @@
 atf_test_case cache_expiration_5s cleanup
 atf_test_case cache_expiration_10s cleanup
 atf_test_case command cleanup
+atf_test_case garp cleanup
 
 cache_expiration_5s_head()
 {
@@ -58,6 +59,12 @@
        atf_set "require.progs" "rump_server"
 }
 
+garp_head()
+{
+       atf_set "descr" "Tests for GARP"
+       atf_set "require.progs" "rump_server"
+}
+
 setup_dst_server()
 {
        export RUMP_SERVER=$SOCKDST
@@ -191,24 +198,80 @@
        atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.1
 }
 
+make_pkt_str()
+{
+       local target=$1
+       local sender=$2
+       pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42:"
+       pkt="$pkt Request who-has $target tell $sender, length 28"
+       echo $pkt
+}
+
+garp_body()
+{
+       local pkt=
+
+       atf_check -s exit:0 ${inetserver} $SOCKSRC
+       export RUMP_SERVER=$SOCKSRC
+
+       # Setup an interface
+       atf_check -s exit:0 rump.ifconfig shmif0 create
+       atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
+       atf_check -s exit:0 rump.ifconfig shmif0 up
+       $DEBUG && rump.ifconfig shmif0
+
+       atf_check -s exit:0 sleep 1
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out
+
+       # A GARP packet is sent for the primary address
+       pkt=$(make_pkt_str 10.0.0.1 10.0.0.1)
+       atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
+       # No GARP packet is sent for the alias address
+       pkt=$(make_pkt_str 10.0.0.2 10.0.0.2)
+       atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
+
+       atf_check -s exit:0 rump.ifconfig -w 10
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.4/24 alias
+
+       # No GARP packets are sent during IFF_UP
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out
+       pkt=$(make_pkt_str 10.0.0.3 10.0.0.3)
+       atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
+       pkt=$(make_pkt_str 10.0.0.4 10.0.0.4)
+       atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
+}
+
 cleanup()
 {
        env RUMP_SERVER=$SOCKSRC rump.halt
        env RUMP_SERVER=$SOCKDST rump.halt
 }
 
-dump()
+dump_src()
 {
        export RUMP_SERVER=$SOCKSRC
        rump.netstat -nr
        rump.arp -n -a
+       rump.ifconfig
        $HIJACKING dmesg
+}
 
+dump_dst()
+{
        export RUMP_SERVER=$SOCKDST
        rump.netstat -nr
        rump.arp -n -a
+       rump.ifconfig
        $HIJACKING dmesg
+}
 
+dump()
+{
+       dump_src
+       dump_dst
        shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
 }
 
@@ -230,9 +293,17 @@
        cleanup
 }
 
+garp_cleanup()
+{
+       $DEBUG && dump_src
+       $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
+       env RUMP_SERVER=$SOCKSRC rump.halt
+}
+
 atf_init_test_cases()
 {
        atf_add_test_case cache_expiration_5s
        atf_add_test_case cache_expiration_10s
        atf_add_test_case command
+       atf_add_test_case garp
 }