diff options
Diffstat (limited to 'tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh')
| -rwxr-xr-x | tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh | 73 |
1 files changed, 24 insertions, 49 deletions
diff --git a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh index c899b446acb6..eef5cbf6eecc 100755 --- a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh +++ b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh @@ -5,16 +5,14 @@ # garp to the router. Router accepts or ignores based on its arp_accept # or accept_untracked_na configuration. +source lib.sh + TESTS="arp ndisc" -ROUTER_NS="ns-router" -ROUTER_NS_V6="ns-router-v6" ROUTER_INTF="veth-router" ROUTER_ADDR="10.0.10.1" ROUTER_ADDR_V6="2001:db8:abcd:0012::1" -HOST_NS="ns-host" -HOST_NS_V6="ns-host-v6" HOST_INTF="veth-host" HOST_ADDR="10.0.10.2" HOST_ADDR_V6="2001:db8:abcd:0012::2" @@ -23,13 +21,11 @@ SUBNET_WIDTH=24 PREFIX_WIDTH_V6=64 cleanup() { - ip netns del ${HOST_NS} - ip netns del ${ROUTER_NS} + cleanup_ns ${HOST_NS} ${ROUTER_NS} } cleanup_v6() { - ip netns del ${HOST_NS_V6} - ip netns del ${ROUTER_NS_V6} + cleanup_ns ${HOST_NS_V6} ${ROUTER_NS_V6} } setup() { @@ -37,8 +33,7 @@ setup() { local arp_accept=$1 # Set up two namespaces - ip netns add ${ROUTER_NS} - ip netns add ${HOST_NS} + setup_ns HOST_NS ROUTER_NS # Set up interfaces veth0 and veth1, which are pairs in separate # namespaces. veth0 is veth-router, veth1 is veth-host. @@ -72,32 +67,25 @@ setup_v6() { local accept_untracked_na=$1 # Set up two namespaces - ip netns add ${ROUTER_NS_V6} - ip netns add ${HOST_NS_V6} + setup_ns HOST_NS_V6 ROUTER_NS_V6 # Set up interfaces veth0 and veth1, which are pairs in separate # namespaces. veth0 is veth-router, veth1 is veth-host. # first, set up the inteface's link to the namespace # then, set the interface "up" - ip -6 -netns ${ROUTER_NS_V6} link add name ${ROUTER_INTF} \ - type veth peer name ${HOST_INTF} + ip -n ${ROUTER_NS_V6} link add name ${ROUTER_INTF} \ + type veth peer name ${HOST_INTF} netns ${HOST_NS_V6} - ip -6 -netns ${ROUTER_NS_V6} link set dev ${ROUTER_INTF} up - ip -6 -netns ${ROUTER_NS_V6} link set dev ${HOST_INTF} netns \ - ${HOST_NS_V6} - - ip -6 -netns ${HOST_NS_V6} link set dev ${HOST_INTF} up - ip -6 -netns ${ROUTER_NS_V6} addr add \ - ${ROUTER_ADDR_V6}/${PREFIX_WIDTH_V6} dev ${ROUTER_INTF} nodad + # Add tc rule to filter out host na message + tc -n ${ROUTER_NS_V6} qdisc add dev ${ROUTER_INTF} clsact + tc -n ${ROUTER_NS_V6} filter add dev ${ROUTER_INTF} \ + ingress protocol ipv6 pref 1 handle 101 \ + flower src_ip ${HOST_ADDR_V6} ip_proto icmpv6 type 136 skip_hw action pass HOST_CONF=net.ipv6.conf.${HOST_INTF} ip netns exec ${HOST_NS_V6} sysctl -qw ${HOST_CONF}.ndisc_notify=1 ip netns exec ${HOST_NS_V6} sysctl -qw ${HOST_CONF}.disable_ipv6=0 - ip -6 -netns ${HOST_NS_V6} addr add ${HOST_ADDR_V6}/${PREFIX_WIDTH_V6} \ - dev ${HOST_INTF} - ROUTER_CONF=net.ipv6.conf.${ROUTER_INTF} - ip netns exec ${ROUTER_NS_V6} sysctl -w \ ${ROUTER_CONF}.forwarding=1 >/dev/null 2>&1 ip netns exec ${ROUTER_NS_V6} sysctl -w \ @@ -105,6 +93,13 @@ setup_v6() { ip netns exec ${ROUTER_NS_V6} sysctl -w \ ${ROUTER_CONF}.accept_untracked_na=${accept_untracked_na} \ >/dev/null 2>&1 + + ip -n ${ROUTER_NS_V6} link set dev ${ROUTER_INTF} up + ip -n ${HOST_NS_V6} link set dev ${HOST_INTF} up + ip -n ${ROUTER_NS_V6} addr add ${ROUTER_ADDR_V6}/${PREFIX_WIDTH_V6} \ + dev ${ROUTER_INTF} nodad + ip -n ${HOST_NS_V6} addr add ${HOST_ADDR_V6}/${PREFIX_WIDTH_V6} \ + dev ${HOST_INTF} set +e } @@ -150,7 +145,7 @@ arp_test_gratuitous() { fi # Supply arp_accept option to set up which sets it in sysctl setup ${arp_accept} - ip netns exec ${HOST_NS} arping -A -U ${HOST_ADDR} -c1 2>&1 >/dev/null + ip netns exec ${HOST_NS} arping -A -I ${HOST_INTF} -U ${HOST_ADDR} -c1 2>&1 >/dev/null if verify_arp $1 $2; then printf " TEST: %-60s [ OK ]\n" "${test_msg[*]}" @@ -168,26 +163,6 @@ arp_test_gratuitous_combinations() { arp_test_gratuitous 2 1 } -cleanup_tcpdump() { - set -e - [[ ! -z ${tcpdump_stdout} ]] && rm -f ${tcpdump_stdout} - [[ ! -z ${tcpdump_stderr} ]] && rm -f ${tcpdump_stderr} - tcpdump_stdout= - tcpdump_stderr= - set +e -} - -start_tcpdump() { - set -e - tcpdump_stdout=`mktemp` - tcpdump_stderr=`mktemp` - ip netns exec ${ROUTER_NS_V6} timeout 15s \ - tcpdump --immediate-mode -tpni ${ROUTER_INTF} -c 1 \ - "icmp6 && icmp6[0] == 136 && src ${HOST_ADDR_V6}" \ - > ${tcpdump_stdout} 2> /dev/null - set +e -} - verify_ndisc() { local accept_untracked_na=$1 local same_subnet=$2 @@ -228,8 +203,9 @@ ndisc_test_untracked_advertisements() { HOST_ADDR_V6=2001:db8:abcd:0012::3 fi fi - setup_v6 $1 $2 - start_tcpdump + setup_v6 $1 + slowwait_for_counter 15 1 \ + tc_rule_handle_stats_get "dev ${ROUTER_INTF} ingress" 101 ".packets" "-n ${ROUTER_NS_V6}" if verify_ndisc $1 $2; then printf " TEST: %-60s [ OK ]\n" "${test_msg[*]}" @@ -237,7 +213,6 @@ ndisc_test_untracked_advertisements() { printf " TEST: %-60s [FAIL]\n" "${test_msg[*]}" fi - cleanup_tcpdump cleanup_v6 set +e } |