# $NetBSD: t_rtable.sh,v 1.8 2023/03/26 19:10:34 andvar Exp $ # # Copyright (c) 2017 Internet Initiative Japan Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # SOCK1=unix://commsock1 SOCK2=unix://commsock2 SOCK3=unix://commsock3 IP1=10.0.0.1 IP2=10.0.0.2 DEBUG=${DEBUG:-false} TIMEOUT=5 setup_endpoint() { local sock=${1} local addr=${2} local bus=${3} local mode=${4} rump_server_add_iface $sock shmif0 $bus export RUMP_SERVER=${sock} if [ $mode = "ipv6" ]; then atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${addr} else atf_check -s exit:0 rump.ifconfig shmif0 inet ${addr} netmask 0xffffff00 fi atf_check -s exit:0 rump.ifconfig shmif0 up $DEBUG && rump.ifconfig shmif0 } setup_bridge_server() { rump_server_add_iface $SOCK2 shmif0 bus1 rump_server_add_iface $SOCK2 shmif1 bus2 export RUMP_SERVER=$SOCK2 atf_check -s exit:0 rump.ifconfig shmif0 up atf_check -s exit:0 rump.ifconfig shmif1 up } setup() { rump_server_start $SOCK1 bridge rump_server_start $SOCK2 bridge rump_server_start $SOCK3 bridge setup_endpoint $SOCK1 $IP1 bus1 ipv4 setup_endpoint $SOCK3 $IP2 bus2 ipv4 setup_bridge_server } setup_bridge() { export RUMP_SERVER=$SOCK2 rump_server_add_iface $SOCK2 bridge0 atf_check -s exit:0 rump.ifconfig bridge0 up export LD_PRELOAD=/usr/lib/librumphijack.so atf_check -s exit:0 /sbin/brconfig bridge0 add shmif0 atf_check -s exit:0 /sbin/brconfig bridge0 add shmif1 /sbin/brconfig bridge0 unset LD_PRELOAD rump.ifconfig shmif0 rump.ifconfig shmif1 } get_number_of_caches() { export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so echo $(/sbin/brconfig bridge0 addr |wc -l) unset LD_PRELOAD } atf_test_case bridge_rtable_basic cleanup bridge_rtable_basic_head() { atf_set "descr" "Tests basic operations of bridge's learning table" atf_set "require.progs" "rump_server" } bridge_rtable_basic_body() { local addr1= addr3= setup setup_bridge # Get MAC addresses of the endpoints. addr1=$(get_macaddr $SOCK1 shmif0) addr3=$(get_macaddr $SOCK3 shmif0) # Confirm there is no MAC address caches. export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr1" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr3" /sbin/brconfig bridge0 unset LD_PRELOAD # Make the bridge learn the MAC addresses of the endpoints. export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 unset RUMP_SERVER # Tests the addresses are in the cache. export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr3 shmif1" /sbin/brconfig bridge0 # Tests brconfig deladdr atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 deladdr "$addr1" atf_check -s exit:0 -o not-match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 deladdr "$addr3" atf_check -s exit:0 -o not-match:"$addr3 shmif1" /sbin/brconfig bridge0 unset LD_PRELOAD rump_server_destroy_ifaces } bridge_rtable_basic_cleanup() { $DEBUG && dump cleanup } atf_test_case bridge_rtable_flush cleanup bridge_rtable_flush_head() { atf_set "descr" "Tests brconfig flush" atf_set "require.progs" "rump_server" } bridge_rtable_flush_body() { local addr1= addr3= local n= setup setup_bridge # Get MAC addresses of the endpoints. addr1=$(get_macaddr $SOCK1 shmif0) addr3=$(get_macaddr $SOCK3 shmif0) # Make the bridge learn the MAC addresses of the endpoints. export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 unset RUMP_SERVER # Tests the addresses are in the cache. export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr3 shmif1" /sbin/brconfig bridge0 # Tests brconfig flush. atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 flush atf_check -s exit:0 -o not-match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr3 shmif1" /sbin/brconfig bridge0 unset LD_PRELOAD # Add extra interfaces and addresses export RUMP_SERVER=$SOCK1 rump_server_add_iface $SOCK1 shmif1 bus1 atf_check -s exit:0 rump.ifconfig shmif1 10.0.0.11/24 atf_check -s exit:0 rump.ifconfig -w 10 export RUMP_SERVER=$SOCK3 rump_server_add_iface $SOCK3 shmif1 bus2 atf_check -s exit:0 rump.ifconfig shmif1 10.0.0.12/24 atf_check -s exit:0 rump.ifconfig -w 10 # Let cache entries export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 10.0.0.12 export RUMP_SERVER=$SOCK3 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 10.0.0.11 export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 n=$(get_number_of_caches) atf_check_equal $n 4 atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 flush n=$(get_number_of_caches) atf_check_equal $n 0 unset LD_PRELOAD rump_server_destroy_ifaces } bridge_rtable_flush_cleanup() { $DEBUG && dump cleanup } atf_test_case bridge_rtable_timeout cleanup bridge_rtable_timeout_head() { atf_set "descr" "Tests cache timeout of bridge's learning table" atf_set "require.progs" "rump_server" } bridge_rtable_timeout_body() { local addr1= addr3= local timeout=5 setup setup_bridge # Get MAC addresses of the endpoints. addr1=$(get_macaddr $SOCK1 shmif0) addr3=$(get_macaddr $SOCK3 shmif0) # Tests brconfig timeout. export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so atf_check -s exit:0 -o match:"timeout: 1200" /sbin/brconfig bridge0 atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 timeout $timeout atf_check -s exit:0 -o match:"timeout: $timeout" /sbin/brconfig bridge0 unset LD_PRELOAD # Make the bridge learn the MAC addresses of the endpoints. export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 unset RUMP_SERVER # Tests the addresses are in the cache. export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr3 shmif1" /sbin/brconfig bridge0 # TODO: cache expiration # The initial timeout value of a cache is changed to $timeout and # after $timeout elapsed the cache is ready to be sweeped. However, # the GC of rtable runs every 5 minutes and the cache remains until # then. Should we have a sysctl to change the period? #sleep $(($timeout + 2)) # ## Tests the addresses are not in the cache. #export RUMP_SERVER=$SOCK2 #export LD_PRELOAD=/usr/lib/librumphijack.so #$DEBUG && /sbin/brconfig bridge0 #atf_check -s exit:0 -o not-match:"$addr1 shmif0" /sbin/brconfig bridge0 #atf_check -s exit:0 -o not-match:"$addr3 shmif1" /sbin/brconfig bridge0 rump_server_destroy_ifaces } bridge_rtable_timeout_cleanup() { $DEBUG && dump cleanup } atf_test_case bridge_rtable_maxaddr cleanup bridge_rtable_maxaddr_head() { atf_set "descr" "Tests brconfig maxaddr" atf_set "require.progs" "rump_server" } bridge_rtable_maxaddr_body() { local addr1= addr3= setup setup_bridge # Get MAC addresses of the endpoints. addr1=$(get_macaddr $SOCK1 shmif0) addr3=$(get_macaddr $SOCK3 shmif0) # Fill the MAC addresses of the endpoints. export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr3 shmif1" /sbin/brconfig bridge0 # Check the default # of caches is 100 atf_check -s exit:0 -o match:"max cache: 100" /sbin/brconfig bridge0 # Test two MAC addresses are cached n=$(get_number_of_caches) atf_check_equal $n 2 # Limit # of caches to one atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 maxaddr 1 atf_check -s exit:0 -o match:"max cache: 1" /sbin/brconfig bridge0 /sbin/brconfig bridge0 # Check a cache is flushed out n=$(get_number_of_caches) atf_check_equal $n 1 # Test a new address cache is not created export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 export RUMP_SERVER=$SOCK2 n=$(get_number_of_caches) atf_check_equal $n 1 # Increase # of caches to two atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 maxaddr 2 atf_check -s exit:0 -o match:"max cache: 2" /sbin/brconfig bridge0 unset LD_PRELOAD # Test we can cache two addresses again export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP2 export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr1 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr3 shmif1" /sbin/brconfig bridge0 unset LD_PRELOAD rump_server_destroy_ifaces } bridge_rtable_maxaddr_cleanup() { $DEBUG && dump cleanup } atf_test_case bridge_rtable_delete_member cleanup bridge_rtable_delete_member_head() { atf_set "descr" "Tests belonging rtable entries are removed on deleting an interface" atf_set "require.progs" "rump_server" } bridge_rtable_delete_member_body() { local addr10= addr30= addr11= addr31= local n= setup setup_bridge # Add extra interfaces and addresses export RUMP_SERVER=$SOCK1 rump_server_add_iface $SOCK1 shmif1 bus1 atf_check -s exit:0 rump.ifconfig shmif1 10.0.0.11/24 atf_check -s exit:0 rump.ifconfig -w 10 export RUMP_SERVER=$SOCK3 rump_server_add_iface $SOCK3 shmif1 bus2 atf_check -s exit:0 rump.ifconfig shmif1 10.0.0.12/24 atf_check -s exit:0 rump.ifconfig -w 10 # Get MAC addresses of the endpoints. addr10=$(get_macaddr $SOCK1 shmif0) addr30=$(get_macaddr $SOCK3 shmif0) addr11=$(get_macaddr $SOCK1 shmif1) addr31=$(get_macaddr $SOCK3 shmif1) # Make the bridge learn the MAC addresses of the endpoints. export RUMP_SERVER=$SOCK1 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 10.0.0.12 export RUMP_SERVER=$SOCK3 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 10.0.0.11 export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so $DEBUG && /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr10 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr11 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr30 shmif1" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr31 shmif1" /sbin/brconfig bridge0 atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 delete shmif0 atf_check -s exit:0 -o not-match:"$addr10 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr11 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr30 shmif1" /sbin/brconfig bridge0 atf_check -s exit:0 -o match:"$addr31 shmif1" /sbin/brconfig bridge0 atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 delete shmif1 atf_check -s exit:0 -o not-match:"$addr10 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr11 shmif0" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr30 shmif1" /sbin/brconfig bridge0 atf_check -s exit:0 -o not-match:"$addr31 shmif1" /sbin/brconfig bridge0 rump_server_destroy_ifaces } bridge_rtable_delete_member_cleanup() { $DEBUG && dump cleanup } atf_test_case bridge_rtable_manyaddrs cleanup bridge_rtable_manyaddrs_head() { atf_set "descr" "Tests brconfig addr under many MAC addresses" atf_set "require.progs" "rump_server" atf_set "timeout" "1200" } bridge_rtable_manyaddrs_body() { local addr= setup setup_bridge export RUMP_SERVER=$SOCK2 export LD_PRELOAD=/usr/lib/librumphijack.so atf_check -s exit:0 -o ignore /sbin/brconfig bridge0 maxaddr 1024 # Fill the MAC addresses for i in 1 2 3 4; do for j in $(seq 0 255); do addr="00:11:22:33:4$i:$(printf "%02x" $j)" atf_check -s exit:0 -o empty \ /sbin/brconfig bridge0 static shmif0 $addr done n=$(get_number_of_caches) atf_check_equal $n $((i * 256)) done rump_server_destroy_ifaces } bridge_rtable_manyaddrs_cleanup() { $DEBUG && dump cleanup } atf_init_test_cases() { atf_add_test_case bridge_rtable_basic atf_add_test_case bridge_rtable_flush atf_add_test_case bridge_rtable_timeout atf_add_test_case bridge_rtable_maxaddr atf_add_test_case bridge_rtable_delete_member atf_add_test_case bridge_rtable_manyaddrs # TODO: brconfig static/flushall/discover/learn }