selftests/net/test_bridge_neigh_suppress.sh

7 # ARP/NS messages from the first host are suppressed on the VXLAN port when
122 	local ns=$1; shift
129 	pkts=$(tc -n $ns -j -s filter show $id \
140 	local ns=$1; shift
142 	ip netns exec $ns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
143 	ip netns exec $ns sysctl -qw net.ipv6.conf.default.ignore_routes_with_linkdown=1
144 	ip netns exec $ns sysctl -qw net.ipv6.conf.all.accept_dad=0
145 	ip netns exec $ns sysctl -qw net.ipv6.conf.default.accept_dad=0
150 	local ns
153 	for ns in $h1 $h2 $sw1 $sw2; do
154 		setup_topo_ns $ns
164 	local ns=$1; shift
170 	ip -n $ns link set dev eth0 up
171 	ip -n $ns link add link eth0 name eth0.10 up type vlan id 10
172 	ip -n $ns link add link eth0 name eth0.20 up type vlan id 20
174 	ip -n $ns address add $v4addr1 dev eth0.10
175 	ip -n $ns address add $v4addr2 dev eth0.20
176 	ip -n $ns address add $v6addr1 dev eth0.10
177 	ip -n $ns address add $v6addr2 dev eth0.20
182 	local ns=$h1
188 	setup_host_common $ns $v4addr1 $v4addr2 $v6addr1 $v6addr2
193 	local ns=$h2
199 	setup_host_common $ns $v4addr1 $v4addr2 $v6addr1 $v6addr2
204 	local ns=$1; shift
210 	ip -n $ns address add $local_addr/32 dev lo
212 	ip -n $ns link set dev veth0 up
213 	ip -n $ns address add $veth_addr/28 dev veth0
214 	ip -n $ns route add default via $gw_addr
216 	ip -n $ns link add name br0 up type bridge vlan_filtering 1 \
219 	ip -n $ns link add link br0 name br0.10 up type vlan id 10
220 	bridge -n $ns vlan add vid 10 dev br0 self
222 	ip -n $ns link add link br0 name br0.20 up type vlan id 20
223 	bridge -n $ns vlan add vid 20 dev br0 self
225 	ip -n $ns link set dev swp1 up master br0
226 	bridge -n $ns vlan add vid 10 dev swp1
227 	bridge -n $ns vlan add vid 20 dev swp1
229 	ip -n $ns link add name vx0 up master br0 type vxlan \
231 	bridge -n $ns fdb add 00:00:00:00:00:00 dev vx0 self static \
233 	bridge -n $ns fdb add 00:00:00:00:00:00 dev vx0 self static \
235 	bridge -n $ns link set dev vx0 vlan_tunnel on learning off
237 	bridge -n $ns vlan add vid 10 dev vx0
238 	bridge -n $ns vlan add vid 10 dev vx0 tunnel_info id 10010
240 	bridge -n $ns vlan add vid 20 dev vx0
241 	bridge -n $ns vlan add vid 20 dev vx0 tunnel_info id 10020
246 	local ns=$sw1
252 	setup_sw_common $ns $local_addr $remote_addr $veth_addr $gw_addr
257 	local ns=$sw2
263 	setup_sw_common $ns $local_addr $remote_addr $veth_addr $gw_addr
276 	sleep 5
305 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
316 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
327 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
337 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
347 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
361 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
371 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip -I eth0.$vid $tip"
373 	tc_check_packets $sw1 "dev vx0 egress" 101 5
400 	echo "Per-port NS suppression - VLAN $vid"
406 	# Initial state - check that NS messages are not suppressed and that ND
411 	log_test $? 0 "NS suppression"
422 	log_test $? 0 "NS suppression"
433 	log_test $? 0 "NS suppression"
435 	# Install a neighbor on the matching SVI interface and check that NS
443 	log_test $? 0 "NS suppression"
445 	# Take the second host down and check that NS messages are suppressed
453 	log_test $? 0 "NS suppression"
458 	# Disable neighbor suppression and check that NS messages are no longer
467 	log_test $? 0 "NS suppression"
469 	# Take the second host down and check that NS messages are not
476 	tc_check_packets $sw1 "dev vx0 egress" 101 5
477 	log_test $? 0 "NS suppression"
529 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
531 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
547 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
549 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
563 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
565 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
579 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
581 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
595 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
597 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
602 	tc_check_packets $sw1 "dev vx0 egress" 102 5
616 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip1 -I eth0.$vid1 $tip1"
618 	run_cmd "ip netns exec $h1 arping -q -b -c 1 -w 5 -s $sip2 -I eth0.$vid2 $tip2"
623 	tc_check_packets $sw1 "dev vx0 egress" 102 5
640 	echo "Per-{Port, VLAN} NS suppression"
654 	# Enable per-{Port, VLAN} neighbor suppression and check that NS
666 	log_test $? 0 "NS suppression (VLAN $vid1)"
668 	log_test $? 0 "NS suppression (VLAN $vid2)"
671 	# VLAN NS messages are suppressed.
684 	log_test $? 0 "NS suppression (VLAN $vid1)"
686 	log_test $? 0 "NS suppression (VLAN $vid2)"
700 	log_test $? 0 "NS suppression (VLAN $vid1)"
702 	log_test $? 0 "NS suppression (VLAN $vid2)"
716 	log_test $? 0 "NS suppression (VLAN $vid1)"
718 	log_test $? 0 "NS suppression (VLAN $vid2)"
720 	# Disable neighbor suppression on VLAN 10 and check that NS messages
732 	log_test $? 0 "NS suppression (VLAN $vid1)"
733 	tc_check_packets $sw1 "dev vx0 egress" 102 5
734 	log_test $? 0 "NS suppression (VLAN $vid2)"
737 	# suppression on the port and check that on both VLANs NS messages are
753 	log_test $? 0 "NS suppression (VLAN $vid1)"
754 	tc_check_packets $sw1 "dev vx0 egress" 102 5
755 	log_test $? 0 "NS suppression (VLAN $vid2)"