diff options
Diffstat (limited to 'tools/testing/selftests/net/openvswitch/openvswitch.sh')
| -rwxr-xr-x | tools/testing/selftests/net/openvswitch/openvswitch.sh | 136 |
1 files changed, 126 insertions, 10 deletions
diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh index 960e1ab4dd04..3cdd953f6813 100755 --- a/tools/testing/selftests/net/openvswitch/openvswitch.sh +++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh @@ -25,6 +25,8 @@ tests=" nat_related_v4 ip4-nat-related: ICMP related matches work with SNAT netlink_checks ovsnl: validate netlink attrs and settings upcall_interfaces ovs: test the upcall interfaces + tunnel_metadata ovs: test extraction of tunnel metadata + tunnel_refcount ovs: test tunnel vport reference cleanup drop_reason drop: test drop reasons are emitted psample psample: Sampling packets with psample" @@ -113,13 +115,13 @@ ovs_add_dp () { } ovs_add_if () { - info "Adding IF to DP: br:$2 if:$3" - if [ "$4" != "-u" ]; then - ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py add-if "$2" "$3" \ - || return 1 + info "Adding IF to DP: br:$3 if:$4 ($2)" + if [ "$5" != "-u" ]; then + ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py add-if \ + -t "$2" "$3" "$4" || return 1 else python3 $ovs_base/ovs-dpctl.py add-if \ - -u "$2" "$3" >$ovs_dir/$3.out 2>$ovs_dir/$3.err & + -u -t "$2" "$3" "$4" >$ovs_dir/$4.out 2>$ovs_dir/$4.err & pid=$! on_exit "ovs_sbx $1 kill -TERM $pid 2>/dev/null" fi @@ -166,9 +168,9 @@ ovs_add_netns_and_veths () { fi if [ "$7" != "-u" ]; then - ovs_add_if "$1" "$2" "$4" || return 1 + ovs_add_if "$1" "netdev" "$2" "$4" || return 1 else - ovs_add_if "$1" "$2" "$4" -u || return 1 + ovs_add_if "$1" "netdev" "$2" "$4" -u || return 1 fi if [ $TRACING -eq 1 ]; then @@ -330,6 +332,11 @@ test_psample() { # - drop packets and verify the right drop reason is reported test_drop_reason() { which perf >/dev/null 2>&1 || return $ksft_skip + which pahole >/dev/null 2>&1 || return $ksft_skip + + ovs_drop_subsys=$(pahole -C skb_drop_reason_subsys | + awk '/OPENVSWITCH/ { print $3; }' | + tr -d ,) sbx_add "test_drop_reason" || return $? @@ -373,7 +380,7 @@ test_drop_reason() { "in_port(2),eth(),eth_type(0x0800),ipv4(src=172.31.110.20,proto=1),icmp()" 'drop' ovs_drop_record_and_run "test_drop_reason" ip netns exec client ping -c 2 172.31.110.20 - ovs_drop_reason_count 0x30001 # OVS_DROP_FLOW_ACTION + ovs_drop_reason_count 0x${ovs_drop_subsys}0001 # OVS_DROP_FLOW_ACTION if [[ "$?" -ne "2" ]]; then info "Did not detect expected drops: $?" return 1 @@ -390,7 +397,7 @@ test_drop_reason() { ovs_drop_record_and_run \ "test_drop_reason" ip netns exec client nc -i 1 -zuv 172.31.110.20 6000 - ovs_drop_reason_count 0x30004 # OVS_DROP_EXPLICIT_ACTION_ERROR + ovs_drop_reason_count 0x${ovs_drop_subsys}0004 # OVS_DROP_EXPLICIT_ACTION_ERROR if [[ "$?" -ne "1" ]]; then info "Did not detect expected explicit error drops: $?" return 1 @@ -398,7 +405,7 @@ test_drop_reason() { ovs_drop_record_and_run \ "test_drop_reason" ip netns exec client nc -i 1 -zuv 172.31.110.20 7000 - ovs_drop_reason_count 0x30003 # OVS_DROP_EXPLICIT_ACTION + ovs_drop_reason_count 0x${ovs_drop_subsys}0003 # OVS_DROP_EXPLICIT_ACTION if [[ "$?" -ne "1" ]]; then info "Did not detect expected explicit drops: $?" return 1 @@ -751,6 +758,115 @@ test_upcall_interfaces() { return 0 } +ovs_add_kernel_tunnel() { + local sbxname=$1; shift + local ns=$1; shift + local tnl_type=$1; shift + local name=$1; shift + local addr=$1; shift + + info "setting up kernel ${tnl_type} tunnel ${name}" + ovs_sbx "${sbxname}" ip -netns ${ns} link add dev ${name} type ${tnl_type} $* || return 1 + on_exit "ovs_sbx ${sbxname} ip -netns ${ns} link del ${name} >/dev/null 2>&1" + ovs_sbx "${sbxname}" ip -netns ${ns} addr add dev ${name} ${addr} || return 1 + ovs_sbx "${sbxname}" ip -netns ${ns} link set dev ${name} mtu 1450 up || return 1 +} + +test_tunnel_metadata() { + which arping >/dev/null 2>&1 || return $ksft_skip + + sbxname="test_tunnel_metadata" + sbx_add "${sbxname}" || return 1 + + info "setting up new DP" + ovs_add_dp "${sbxname}" tdp0 -V 2:1 || return 1 + + ovs_add_netns_and_veths "${sbxname}" tdp0 tns left0 l0 \ + 172.31.110.1/24 || return 1 + + info "removing veth interface from openvswitch and setting IP" + ovs_del_if "${sbxname}" tdp0 left0 || return 1 + ovs_sbx "${sbxname}" ip addr add 172.31.110.2/24 dev left0 || return 1 + ovs_sbx "${sbxname}" ip link set left0 up || return 1 + + info "setting up tunnel port in openvswitch" + ovs_add_if "${sbxname}" "vxlan" tdp0 ovs-vxlan0 -u || return 1 + on_exit "ovs_sbx ${sbxname} ip link del ovs-vxlan0" + ovs_wait ip link show ovs-vxlan0 &>/dev/null || return 1 + ovs_sbx "${sbxname}" ip link set ovs-vxlan0 up || return 1 + + configs=$(echo ' + 1 172.31.221.1/24 1155332 32 set udpcsum flags\(df\|csum\) + 2 172.31.222.1/24 1234567 45 set noudpcsum flags\(df\) + 3 172.31.223.1/24 1020304 23 unset udpcsum flags\(csum\) + 4 172.31.224.1/24 1357986 15 unset noudpcsum' | sed '/^$/d') + + while read -r i addr id ttl df csum flags; do + ovs_add_kernel_tunnel "${sbxname}" tns vxlan vxlan${i} ${addr} \ + remote 172.31.110.2 id ${id} dstport 4789 \ + ttl ${ttl} df ${df} ${csum} || return 1 + done <<< "${configs}" + + ovs_wait grep -q 'listening on upcall packet handler' \ + ${ovs_dir}/ovs-vxlan0.out || return 1 + + info "sending arping" + for i in 1 2 3 4; do + ovs_sbx "${sbxname}" ip netns exec tns \ + arping -I vxlan${i} 172.31.22${i}.2 -c 1 \ + >${ovs_dir}/arping.stdout 2>${ovs_dir}/arping.stderr + done + + info "checking that received decapsulated packets carry correct metadata" + while read -r i addr id ttl df csum flags; do + arp_hdr="arp\\(sip=172.31.22${i}.1,tip=172.31.22${i}.2,op=1,sha=" + addrs="src=172.31.110.1,dst=172.31.110.2" + ports="tp_src=[0-9]*,tp_dst=4789" + tnl_md="tunnel\\(tun_id=${id},${addrs},ttl=${ttl},${ports},${flags}\\)" + + ovs_sbx "${sbxname}" grep -qE "MISS upcall.*${tnl_md}.*${arp_hdr}" \ + ${ovs_dir}/ovs-vxlan0.out || return 1 + done <<< "${configs}" + + return 0 +} + +test_tunnel_refcount() { + sbxname="test_tunnel_refcount" + sbx_add "${sbxname}" || return 1 + + ovs_sbx "${sbxname}" ip netns add trefns || return 1 + on_exit "ovs_sbx ${sbxname} ip netns del trefns" + + for tun_type in gre vxlan geneve; do + info "testing ${tun_type} tunnel vport refcount" + + ovs_sbx "${sbxname}" ip netns exec trefns \ + python3 $ovs_base/ovs-dpctl.py \ + add-dp dp-${tun_type} || return 1 + + ovs_sbx "${sbxname}" ip netns exec trefns \ + python3 $ovs_base/ovs-dpctl.py \ + add-if --no-lwt -t ${tun_type} \ + dp-${tun_type} ovs-${tun_type}0 || return 1 + + ovs_wait ip -netns trefns link show \ + ovs-${tun_type}0 >/dev/null 2>&1 || return 1 + + info "deleting dp - may hang if reference counting is broken" + ovs_sbx "${sbxname}" ip netns exec trefns \ + python3 $ovs_base/ovs-dpctl.py \ + del-dp dp-${tun_type} & + + dev_removed() { + ! ip -netns trefns link show "$1" >/dev/null 2>&1 + } + ovs_wait dev_removed dp-${tun_type} || return 1 + ovs_wait dev_removed ovs-${tun_type}0 || return 1 + done + return 0 +} + run_test() { ( tname="$1" |