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Diffstat (limited to 'tools/testing/selftests/net/openvswitch/openvswitch.sh')
-rwxr-xr-xtools/testing/selftests/net/openvswitch/openvswitch.sh722
1 files changed, 722 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh
new file mode 100755
index 000000000000..5cae53543849
--- /dev/null
+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
@@ -0,0 +1,722 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# OVS kernel module self tests
+
+trap ovs_exit_sig EXIT TERM INT ERR
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+PAUSE_ON_FAIL=no
+VERBOSE=0
+TRACING=0
+
+tests="
+ arp_ping eth-arp: Basic arp ping between two NS
+ ct_connect_v4 ip4-ct-xon: Basic ipv4 tcp connection using ct
+ connect_v4 ip4-xon: Basic ipv4 ping between two NS
+ nat_connect_v4 ip4-nat-xon: Basic ipv4 tcp connection via NAT
+ 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
+ drop_reason drop: test drop reasons are emitted"
+
+info() {
+ [ $VERBOSE = 0 ] || echo $*
+}
+
+ovs_base=`pwd`
+sbxs=
+sbx_add () {
+ info "adding sandbox '$1'"
+
+ sbxs="$sbxs $1"
+
+ NO_BIN=0
+
+ # Create sandbox.
+ local d="$ovs_base"/$1
+ if [ -e $d ]; then
+ info "removing $d"
+ rm -rf "$d"
+ fi
+ mkdir "$d" || return 1
+ ovs_setenv $1
+}
+
+ovs_exit_sig() {
+ [ -e ${ovs_dir}/cleanup ] && . "$ovs_dir/cleanup"
+}
+
+on_exit() {
+ echo "$1" > ${ovs_dir}/cleanup.tmp
+ cat ${ovs_dir}/cleanup >> ${ovs_dir}/cleanup.tmp
+ mv ${ovs_dir}/cleanup.tmp ${ovs_dir}/cleanup
+}
+
+ovs_setenv() {
+ sandbox=$1
+
+ ovs_dir=$ovs_base${1:+/$1}; export ovs_dir
+
+ test -e ${ovs_dir}/cleanup || : > ${ovs_dir}/cleanup
+}
+
+ovs_sbx() {
+ if test "X$2" != X; then
+ (ovs_setenv $1; shift; "$@" >> ${ovs_dir}/debug.log)
+ else
+ ovs_setenv $1
+ fi
+}
+
+ovs_add_dp () {
+ info "Adding DP/Bridge IF: sbx:$1 dp:$2 {$3, $4, $5}"
+ sbxname="$1"
+ shift
+ ovs_sbx "$sbxname" python3 $ovs_base/ovs-dpctl.py add-dp $*
+ on_exit "ovs_sbx $sbxname python3 $ovs_base/ovs-dpctl.py del-dp $1;"
+}
+
+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
+ else
+ python3 $ovs_base/ovs-dpctl.py add-if \
+ -u "$2" "$3" >$ovs_dir/$3.out 2>$ovs_dir/$3.err &
+ pid=$!
+ on_exit "ovs_sbx $1 kill -TERM $pid 2>/dev/null"
+ fi
+}
+
+ovs_del_if () {
+ info "Deleting IF from DP: br:$2 if:$3"
+ ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py del-if "$2" "$3" || return 1
+}
+
+ovs_netns_spawn_daemon() {
+ sbx=$1
+ shift
+ netns=$1
+ shift
+ info "spawning cmd: $*"
+ ip netns exec $netns $* >> $ovs_dir/stdout 2>> $ovs_dir/stderr &
+ pid=$!
+ ovs_sbx "$sbx" on_exit "kill -TERM $pid 2>/dev/null"
+}
+
+ovs_add_netns_and_veths () {
+ info "Adding netns attached: sbx:$1 dp:$2 {$3, $4, $5}"
+ ovs_sbx "$1" ip netns add "$3" || return 1
+ on_exit "ovs_sbx $1 ip netns del $3"
+ ovs_sbx "$1" ip link add "$4" type veth peer name "$5" || return 1
+ on_exit "ovs_sbx $1 ip link del $4 >/dev/null 2>&1"
+ ovs_sbx "$1" ip link set "$4" up || return 1
+ ovs_sbx "$1" ip link set "$5" netns "$3" || return 1
+ ovs_sbx "$1" ip netns exec "$3" ip link set "$5" up || return 1
+
+ if [ "$6" != "" ]; then
+ ovs_sbx "$1" ip netns exec "$3" ip addr add "$6" dev "$5" \
+ || return 1
+ fi
+
+ if [ "$7" != "-u" ]; then
+ ovs_add_if "$1" "$2" "$4" || return 1
+ else
+ ovs_add_if "$1" "$2" "$4" -u || return 1
+ fi
+
+ [ $TRACING -eq 1 ] && ovs_netns_spawn_daemon "$1" "$ns" \
+ tcpdump -i any -s 65535
+
+ return 0
+}
+
+ovs_add_flow () {
+ info "Adding flow to DP: sbx:$1 br:$2 flow:$3 act:$4"
+ ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py add-flow "$2" "$3" "$4"
+ if [ $? -ne 0 ]; then
+ echo "Flow [ $3 : $4 ] failed" >> ${ovs_dir}/debug.log
+ return 1
+ fi
+ return 0
+}
+
+ovs_del_flows () {
+ info "Deleting all flows from DP: sbx:$1 br:$2"
+ ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py del-flows "$2"
+ return 0
+}
+
+ovs_drop_record_and_run () {
+ local sbx=$1
+ shift
+
+ perf record -a -q -e skb:kfree_skb -o ${ovs_dir}/perf.data $* \
+ >> ${ovs_dir}/stdout 2>> ${ovs_dir}/stderr
+ return $?
+}
+
+ovs_drop_reason_count()
+{
+ local reason=$1
+
+ local perf_output=`perf script -i ${ovs_dir}/perf.data -F trace:event,trace`
+ local pattern="skb:kfree_skb:.*reason: $reason"
+
+ return `echo "$perf_output" | grep "$pattern" | wc -l`
+}
+
+usage() {
+ echo
+ echo "$0 [OPTIONS] [TEST]..."
+ echo "If no TEST argument is given, all tests will be run."
+ echo
+ echo "Options"
+ echo " -t: capture traffic via tcpdump"
+ echo " -v: verbose"
+ echo " -p: pause on failure"
+ echo
+ echo "Available tests${tests}"
+ exit 1
+}
+
+# drop_reason test
+# - drop packets and verify the right drop reason is reported
+test_drop_reason() {
+ which perf >/dev/null 2>&1 || return $ksft_skip
+
+ sbx_add "test_drop_reason" || return $?
+
+ ovs_add_dp "test_drop_reason" dropreason || return 1
+
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_drop_reason" "dropreason" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+ # Setup client namespace
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+
+ # Setup server namespace
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+
+ # Check if drop reasons can be sent
+ ovs_add_flow "test_drop_reason" dropreason \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' 'drop(10)' 2>/dev/null
+ if [ $? == 1 ]; then
+ info "no support for drop reasons - skipping"
+ ovs_exit_sig
+ return $ksft_skip
+ fi
+
+ ovs_del_flows "test_drop_reason" dropreason
+
+ # Allow ARP
+ ovs_add_flow "test_drop_reason" dropreason \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
+ ovs_add_flow "test_drop_reason" dropreason \
+ 'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
+
+ # Allow client ICMP traffic but drop return path
+ ovs_add_flow "test_drop_reason" dropreason \
+ "in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10,proto=1),icmp()" '2'
+ ovs_add_flow "test_drop_reason" dropreason \
+ "in_port(2),eth(),eth_type(0x0800),ipv4(src=172.31.110.20,proto=1),icmp()" 'drop'
+
+ ovs_drop_record_and_run "test_drop_reason" ip netns exec client ping -c 2 172.31.110.20
+ ovs_drop_reason_count 0x30001 # OVS_DROP_FLOW_ACTION
+ if [[ "$?" -ne "2" ]]; then
+ info "Did not detect expected drops: $?"
+ return 1
+ fi
+
+ # Drop UDP 6000 traffic with an explicit action and an error code.
+ ovs_add_flow "test_drop_reason" dropreason \
+ "in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10,proto=17),udp(dst=6000)" \
+ 'drop(42)'
+ # Drop UDP 7000 traffic with an explicit action with no error code.
+ ovs_add_flow "test_drop_reason" dropreason \
+ "in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10,proto=17),udp(dst=7000)" \
+ 'drop(0)'
+
+ ovs_drop_record_and_run \
+ "test_drop_reason" ip netns exec client nc -i 1 -zuv 172.31.110.20 6000
+ ovs_drop_reason_count 0x30004 # OVS_DROP_EXPLICIT_ACTION_ERROR
+ if [[ "$?" -ne "1" ]]; then
+ info "Did not detect expected explicit error drops: $?"
+ return 1
+ fi
+
+ ovs_drop_record_and_run \
+ "test_drop_reason" ip netns exec client nc -i 1 -zuv 172.31.110.20 7000
+ ovs_drop_reason_count 0x30003 # OVS_DROP_EXPLICIT_ACTION
+ if [[ "$?" -ne "1" ]]; then
+ info "Did not detect expected explicit drops: $?"
+ return 1
+ fi
+
+ return 0
+}
+
+# arp_ping test
+# - client has 1500 byte MTU
+# - server has 1500 byte MTU
+# - send ARP ping between two ns
+test_arp_ping () {
+
+ which arping >/dev/null 2>&1 || return $ksft_skip
+
+ sbx_add "test_arp_ping" || return $?
+
+ ovs_add_dp "test_arp_ping" arpping || return 1
+
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_arp_ping" "arpping" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+ # Setup client namespace
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+ HW_CLIENT=`ip netns exec client ip link show dev c1 | grep -E 'link/ether [0-9a-f:]+' | awk '{print $2;}'`
+ info "Client hwaddr: $HW_CLIENT"
+
+ # Setup server namespace
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+ HW_SERVER=`ip netns exec server ip link show dev s1 | grep -E 'link/ether [0-9a-f:]+' | awk '{print $2;}'`
+ info "Server hwaddr: $HW_SERVER"
+
+ ovs_add_flow "test_arp_ping" arpping \
+ "in_port(1),eth(),eth_type(0x0806),arp(sip=172.31.110.10,tip=172.31.110.20,sha=$HW_CLIENT,tha=ff:ff:ff:ff:ff:ff)" '2' || return 1
+ ovs_add_flow "test_arp_ping" arpping \
+ "in_port(2),eth(),eth_type(0x0806),arp()" '1' || return 1
+
+ ovs_sbx "test_arp_ping" ip netns exec client arping -I c1 172.31.110.20 -c 1 || return 1
+
+ return 0
+}
+
+# ct_connect_v4 test
+# - client has 1500 byte MTU
+# - server has 1500 byte MTU
+# - use ICMP to ping in each direction
+# - only allow CT state stuff to pass through new in c -> s
+test_ct_connect_v4 () {
+
+ which nc >/dev/null 2>/dev/null || return $ksft_skip
+
+ sbx_add "test_ct_connect_v4" || return $?
+
+ ovs_add_dp "test_ct_connect_v4" ct4 || return 1
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_ct_connect_v4" "ct4" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+
+ # Add forwarding for ARP and ip packets - completely wildcarded
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'ct_state(-trk),eth(),eth_type(0x0800),ipv4()' \
+ 'ct(commit),recirc(0x1)' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'recirc_id(0x1),ct_state(+trk+new),in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10)' \
+ '2' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'recirc_id(0x1),ct_state(+trk+est),in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10)' \
+ '2' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'recirc_id(0x1),ct_state(+trk+est),in_port(2),eth(),eth_type(0x0800),ipv4(dst=172.31.110.10)' \
+ '1' || return 1
+ ovs_add_flow "test_ct_connect_v4" ct4 \
+ 'recirc_id(0x1),ct_state(+trk+inv),eth(),eth_type(0x0800),ipv4()' 'drop' || \
+ return 1
+
+ # do a ping
+ ovs_sbx "test_ct_connect_v4" ip netns exec client ping 172.31.110.20 -c 3 || return 1
+
+ # create an echo server in 'server'
+ echo "server" | \
+ ovs_netns_spawn_daemon "test_ct_connect_v4" "server" \
+ nc -lvnp 4443
+ ovs_sbx "test_ct_connect_v4" ip netns exec client nc -i 1 -zv 172.31.110.20 4443 || return 1
+
+ # Now test in the other direction (should fail)
+ echo "client" | \
+ ovs_netns_spawn_daemon "test_ct_connect_v4" "client" \
+ nc -lvnp 4443
+ ovs_sbx "test_ct_connect_v4" ip netns exec client nc -i 1 -zv 172.31.110.10 4443
+ if [ $? == 0 ]; then
+ info "ct connect to client was successful"
+ return 1
+ fi
+
+ info "done..."
+ return 0
+}
+
+# connect_v4 test
+# - client has 1500 byte MTU
+# - server has 1500 byte MTU
+# - use ICMP to ping in each direction
+test_connect_v4 () {
+
+ sbx_add "test_connect_v4" || return $?
+
+ ovs_add_dp "test_connect_v4" cv4 || return 1
+
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_connect_v4" "cv4" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+
+ # Add forwarding for ARP and ip packets - completely wildcarded
+ ovs_add_flow "test_connect_v4" cv4 \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
+ ovs_add_flow "test_connect_v4" cv4 \
+ 'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
+ ovs_add_flow "test_connect_v4" cv4 \
+ 'in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10)' '2' || return 1
+ ovs_add_flow "test_connect_v4" cv4 \
+ 'in_port(2),eth(),eth_type(0x0800),ipv4(src=172.31.110.20)' '1' || return 1
+
+ # do a ping
+ ovs_sbx "test_connect_v4" ip netns exec client ping 172.31.110.20 -c 3 || return 1
+
+ info "done..."
+ return 0
+}
+
+# nat_connect_v4 test
+# - client has 1500 byte MTU
+# - server has 1500 byte MTU
+# - use ICMP to ping in each direction
+# - only allow CT state stuff to pass through new in c -> s
+test_nat_connect_v4 () {
+ which nc >/dev/null 2>/dev/null || return $ksft_skip
+
+ sbx_add "test_nat_connect_v4" || return $?
+
+ ovs_add_dp "test_nat_connect_v4" nat4 || return 1
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_nat_connect_v4" "nat4" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+
+ ip netns exec client ip route add default via 172.31.110.20
+
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ 'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ "ct_state(-trk),in_port(1),eth(),eth_type(0x0800),ipv4(dst=192.168.0.20)" \
+ "ct(commit,nat(dst=172.31.110.20)),recirc(0x1)"
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ "ct_state(-trk),in_port(2),eth(),eth_type(0x0800),ipv4()" \
+ "ct(commit,nat),recirc(0x2)"
+
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ "recirc_id(0x1),ct_state(+trk-inv),in_port(1),eth(),eth_type(0x0800),ipv4()" "2"
+ ovs_add_flow "test_nat_connect_v4" nat4 \
+ "recirc_id(0x2),ct_state(+trk-inv),in_port(2),eth(),eth_type(0x0800),ipv4()" "1"
+
+ # do a ping
+ ovs_sbx "test_nat_connect_v4" ip netns exec client ping 192.168.0.20 -c 3 || return 1
+
+ # create an echo server in 'server'
+ echo "server" | \
+ ovs_netns_spawn_daemon "test_nat_connect_v4" "server" \
+ nc -lvnp 4443
+ ovs_sbx "test_nat_connect_v4" ip netns exec client nc -i 1 -zv 192.168.0.20 4443 || return 1
+
+ # Now test in the other direction (should fail)
+ echo "client" | \
+ ovs_netns_spawn_daemon "test_nat_connect_v4" "client" \
+ nc -lvnp 4443
+ ovs_sbx "test_nat_connect_v4" ip netns exec client nc -i 1 -zv 172.31.110.10 4443
+ if [ $? == 0 ]; then
+ info "connect to client was successful"
+ return 1
+ fi
+
+ info "done..."
+ return 0
+}
+
+# nat_related_v4 test
+# - client->server ip packets go via SNAT
+# - client solicits ICMP destination unreachable packet from server
+# - undo NAT for ICMP reply and test dst ip has been updated
+test_nat_related_v4 () {
+ which nc >/dev/null 2>/dev/null || return $ksft_skip
+
+ sbx_add "test_nat_related_v4" || return $?
+
+ ovs_add_dp "test_nat_related_v4" natrelated4 || return 1
+ info "create namespaces"
+ for ns in client server; do
+ ovs_add_netns_and_veths "test_nat_related_v4" "natrelated4" "$ns" \
+ "${ns:0:1}0" "${ns:0:1}1" || return 1
+ done
+
+ ip netns exec client ip addr add 172.31.110.10/24 dev c1
+ ip netns exec client ip link set c1 up
+ ip netns exec server ip addr add 172.31.110.20/24 dev s1
+ ip netns exec server ip link set s1 up
+
+ ip netns exec server ip route add 192.168.0.20/32 via 172.31.110.10
+
+ # Allow ARP
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "in_port(1),eth(),eth_type(0x0806),arp()" "2" || return 1
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "in_port(2),eth(),eth_type(0x0806),arp()" "1" || return 1
+
+ # Allow IP traffic from client->server, rewrite source IP with SNAT to 192.168.0.20
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "ct_state(-trk),in_port(1),eth(),eth_type(0x0800),ipv4(dst=172.31.110.20)" \
+ "ct(commit,nat(src=192.168.0.20)),recirc(0x1)" || return 1
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "recirc_id(0x1),ct_state(+trk-inv),in_port(1),eth(),eth_type(0x0800),ipv4()" \
+ "2" || return 1
+
+ # Allow related ICMP responses back from server and undo NAT to restore original IP
+ # Drop any ICMP related packets where dst ip hasn't been restored back to original IP
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "ct_state(-trk),in_port(2),eth(),eth_type(0x0800),ipv4()" \
+ "ct(commit,nat),recirc(0x2)" || return 1
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "recirc_id(0x2),ct_state(+rel+trk),in_port(2),eth(),eth_type(0x0800),ipv4(src=172.31.110.20,dst=172.31.110.10,proto=1),icmp()" \
+ "1" || return 1
+ ovs_add_flow "test_nat_related_v4" natrelated4 \
+ "recirc_id(0x2),ct_state(+rel+trk),in_port(2),eth(),eth_type(0x0800),ipv4(dst=192.168.0.20,proto=1),icmp()" \
+ "drop" || return 1
+
+ # Solicit destination unreachable response from server
+ ovs_sbx "test_nat_related_v4" ip netns exec client \
+ bash -c "echo a | nc -u -w 1 172.31.110.20 10000"
+
+ # Check to make sure no packets matched the drop rule with incorrect dst ip
+ python3 "$ovs_base/ovs-dpctl.py" dump-flows natrelated4 \
+ | grep "drop" | grep "packets:0" >/dev/null || return 1
+
+ info "done..."
+ return 0
+}
+
+# netlink_validation
+# - Create a dp
+# - check no warning with "old version" simulation
+test_netlink_checks () {
+ sbx_add "test_netlink_checks" || return 1
+
+ info "setting up new DP"
+ ovs_add_dp "test_netlink_checks" nv0 || return 1
+ # now try again
+ PRE_TEST=$(dmesg | grep -E "RIP: [0-9a-fA-Fx]+:ovs_dp_cmd_new\+")
+ ovs_add_dp "test_netlink_checks" nv0 -V 0 || return 1
+ POST_TEST=$(dmesg | grep -E "RIP: [0-9a-fA-Fx]+:ovs_dp_cmd_new\+")
+ if [ "$PRE_TEST" != "$POST_TEST" ]; then
+ info "failed - gen warning"
+ return 1
+ fi
+
+ ovs_add_netns_and_veths "test_netlink_checks" nv0 left left0 l0 || \
+ return 1
+ ovs_add_netns_and_veths "test_netlink_checks" nv0 right right0 r0 || \
+ return 1
+ [ $(python3 $ovs_base/ovs-dpctl.py show nv0 | grep port | \
+ wc -l) == 3 ] || \
+ return 1
+ ovs_del_if "test_netlink_checks" nv0 right0 || return 1
+ [ $(python3 $ovs_base/ovs-dpctl.py show nv0 | grep port | \
+ wc -l) == 2 ] || \
+ return 1
+
+ info "Checking clone depth"
+ ERR_MSG="Flow actions may not be safe on all matching packets"
+ PRE_TEST=$(dmesg | grep -c "${ERR_MSG}")
+ ovs_add_flow "test_netlink_checks" nv0 \
+ 'in_port(1),eth(),eth_type(0x800),ipv4()' \
+ 'clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(drop)))))))))))))))))' \
+ >/dev/null 2>&1 && return 1
+ POST_TEST=$(dmesg | grep -c "${ERR_MSG}")
+
+ if [ "$PRE_TEST" == "$POST_TEST" ]; then
+ info "failed - clone depth too large"
+ return 1
+ fi
+
+ PRE_TEST=$(dmesg | grep -c "${ERR_MSG}")
+ ovs_add_flow "test_netlink_checks" nv0 \
+ 'in_port(1),eth(),eth_type(0x0806),arp()' 'drop(0),2' \
+ &> /dev/null && return 1
+ POST_TEST=$(dmesg | grep -c "${ERR_MSG}")
+ if [ "$PRE_TEST" == "$POST_TEST" ]; then
+ info "failed - error not generated"
+ return 1
+ fi
+ return 0
+}
+
+test_upcall_interfaces() {
+ sbx_add "test_upcall_interfaces" || return 1
+
+ info "setting up new DP"
+ ovs_add_dp "test_upcall_interfaces" ui0 -V 2:1 || return 1
+
+ ovs_add_netns_and_veths "test_upcall_interfaces" ui0 upc left0 l0 \
+ 172.31.110.1/24 -u || return 1
+
+ sleep 1
+ info "sending arping"
+ ip netns exec upc arping -I l0 172.31.110.20 -c 1 \
+ >$ovs_dir/arping.stdout 2>$ovs_dir/arping.stderr
+
+ grep -E "MISS upcall\[0/yes\]: .*arp\(sip=172.31.110.1,tip=172.31.110.20,op=1,sha=" $ovs_dir/left0.out >/dev/null 2>&1 || return 1
+ return 0
+}
+
+run_test() {
+ (
+ tname="$1"
+ tdesc="$2"
+
+ if ! lsmod | grep openvswitch >/dev/null 2>&1; then
+ stdbuf -o0 printf "TEST: %-60s [NOMOD]\n" "${tdesc}"
+ return $ksft_skip
+ fi
+
+ if python3 ovs-dpctl.py -h 2>&1 | \
+ grep -E "Need to (install|upgrade) the python" >/dev/null 2>&1; then
+ stdbuf -o0 printf "TEST: %-60s [PYLIB]\n" "${tdesc}"
+ return $ksft_skip
+ fi
+ printf "TEST: %-60s [START]\n" "${tname}"
+
+ unset IFS
+
+ eval test_${tname}
+ ret=$?
+
+ if [ $ret -eq 0 ]; then
+ printf "TEST: %-60s [ OK ]\n" "${tdesc}"
+ ovs_exit_sig
+ rm -rf "$ovs_dir"
+ elif [ $ret -eq 1 ]; then
+ printf "TEST: %-60s [FAIL]\n" "${tdesc}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "Pausing. Logs in $ovs_dir/. Hit enter to continue"
+ read a
+ fi
+ ovs_exit_sig
+ [ "${PAUSE_ON_FAIL}" = "yes" ] || rm -rf "$ovs_dir"
+ exit 1
+ elif [ $ret -eq $ksft_skip ]; then
+ printf "TEST: %-60s [SKIP]\n" "${tdesc}"
+ elif [ $ret -eq 2 ]; then
+ rm -rf test_${tname}
+ run_test "$1" "$2"
+ fi
+
+ return $ret
+ )
+ ret=$?
+ case $ret in
+ 0)
+ [ $all_skipped = true ] && [ $exitcode=$ksft_skip ] && exitcode=0
+ all_skipped=false
+ ;;
+ $ksft_skip)
+ [ $all_skipped = true ] && exitcode=$ksft_skip
+ ;;
+ *)
+ all_skipped=false
+ exitcode=1
+ ;;
+ esac
+
+ return $ret
+}
+
+
+exitcode=0
+desc=0
+all_skipped=true
+
+while getopts :pvt o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=1;;
+ t) if which tcpdump > /dev/null 2>&1; then
+ TRACING=1
+ else
+ echo "=== tcpdump not available, tracing disabled"
+ fi
+ ;;
+ *) usage;;
+ esac
+done
+shift $(($OPTIND-1))
+
+IFS="
+"
+
+for arg do
+ # Check first that all requested tests are available before running any
+ command -v > /dev/null "test_${arg}" || { echo "=== Test ${arg} not found"; usage; }
+done
+
+name=""
+desc=""
+for t in ${tests}; do
+ [ "${name}" = "" ] && name="${t}" && continue
+ [ "${desc}" = "" ] && desc="${t}"
+
+ run_this=1
+ for arg do
+ [ "${arg}" != "${arg#--*}" ] && continue
+ [ "${arg}" = "${name}" ] && run_this=1 && break
+ run_this=0
+ done
+ if [ $run_this -eq 1 ]; then
+ run_test "${name}" "${desc}"
+ fi
+ name=""
+ desc=""
+done
+
+exit ${exitcode}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.