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Diffstat (limited to '')
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/userspace_pm.sh | 897 |
1 files changed, 897 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh new file mode 100755 index 000000000000..9e2981f2d7f5 --- /dev/null +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -0,0 +1,897 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Double quotes to prevent globbing and word splitting is recommended in new +# code but we accept it. +#shellcheck disable=SC2086 + +# Some variables are used below but indirectly, see verify_*_event() +#shellcheck disable=SC2034 + +. "$(dirname "${0}")/mptcp_lib.sh" + +mptcp_lib_check_mptcp +mptcp_lib_check_kallsyms + +if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then + echo "userspace pm tests are not supported by the kernel: SKIP" + exit ${KSFT_SKIP} +fi +mptcp_lib_check_tools ip + +ANNOUNCED=${MPTCP_LIB_EVENT_ANNOUNCED} +REMOVED=${MPTCP_LIB_EVENT_REMOVED} +SUB_ESTABLISHED=${MPTCP_LIB_EVENT_SUB_ESTABLISHED} +SUB_CLOSED=${MPTCP_LIB_EVENT_SUB_CLOSED} +LISTENER_CREATED=${MPTCP_LIB_EVENT_LISTENER_CREATED} +LISTENER_CLOSED=${MPTCP_LIB_EVENT_LISTENER_CLOSED} + +AF_INET=${MPTCP_LIB_AF_INET} +AF_INET6=${MPTCP_LIB_AF_INET6} + +file="" +server_evts="" +client_evts="" +server_evts_pid=0 +client_evts_pid=0 +client4_pid=0 +server4_pid=0 +client6_pid=0 +server6_pid=0 +client4_token="" +server4_token="" +client6_token="" +server6_token="" +client4_port=0; +client6_port=0; +app4_port=50002 +new4_port=50003 +app6_port=50004 +client_addr_id=${RANDOM:0:2} +server_addr_id=${RANDOM:0:2} + +ns1="" +ns2="" +ret=0 +test_name="" +# a bit more space: because we have more to display +MPTCP_LIB_TEST_FORMAT="%02u %-68s" + +print_title() +{ + mptcp_lib_pr_info "${1}" +} + +# $1: test name +print_test() +{ + test_name="${1}" + + mptcp_lib_print_title "${test_name}" +} + +test_pass() +{ + mptcp_lib_pr_ok + mptcp_lib_result_pass "${test_name}" +} + +test_skip() +{ + mptcp_lib_pr_skip + mptcp_lib_result_skip "${test_name}" +} + +# $1: msg +test_fail() +{ + if [ ${#} -gt 0 ] + then + mptcp_lib_pr_fail "${@}" + fi + ret=${KSFT_FAIL} + mptcp_lib_result_fail "${test_name}" +} + +# This function is used in the cleanup trap +#shellcheck disable=SC2317 +cleanup() +{ + print_title "Cleanup" + + # Terminate the MPTCP connection and related processes + local pid + for pid in $client4_pid $server4_pid $client6_pid $server6_pid\ + $server_evts_pid $client_evts_pid + do + mptcp_lib_kill_wait $pid + done + + mptcp_lib_ns_exit "${ns1}" "${ns2}" + + rm -rf $file $client_evts $server_evts + + mptcp_lib_pr_info "Done" +} + +trap cleanup EXIT + +# Create and configure network namespaces for testing +mptcp_lib_ns_init ns1 ns2 +for i in "$ns1" "$ns2" ;do + ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 +done + +# "$ns1" ns2 +# ns1eth2 ns2eth1 + +ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" + +# Add IPv4/v6 addresses to the namespaces +ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 +ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 +ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad +ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad +ip -net "$ns1" link set ns1eth2 up + +ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 +ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 +ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad +ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad +ip -net "$ns2" link set ns2eth1 up + +file=$(mktemp) +mptcp_lib_make_file "$file" 2 1 + +# Capture netlink events over the two network namespaces running +# the MPTCP client and server +client_evts=$(mktemp) +mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid +server_evts=$(mktemp) +mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid +sleep 0.5 + +print_title "Init" +print_test "Created network namespaces ns1, ns2" +test_pass + +make_connection() +{ + local is_v6=$1 + local app_port=$app4_port + local connect_addr="10.0.1.1" + local listen_addr="0.0.0.0" + if [ "$is_v6" = "v6" ] + then + connect_addr="dead:beef:1::1" + listen_addr="::" + app_port=$app6_port + else + is_v6="v4" + fi + + :>"$client_evts" + :>"$server_evts" + + # Run the server + ip netns exec "$ns1" \ + ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & + local server_pid=$! + sleep 0.5 + + # Run the client, transfer $file and stay connected to the server + # to conduct tests + ip netns exec "$ns2" \ + ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ + 2>&1 > /dev/null < "$file" & + local client_pid=$! + sleep 1 + + # Capture client/server attributes from MPTCP connection netlink events + + local client_token + local client_port + local client_serverside + local server_token + local server_serverside + + client_token=$(mptcp_lib_evts_get_info token "$client_evts") + client_port=$(mptcp_lib_evts_get_info sport "$client_evts") + client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts") + server_token=$(mptcp_lib_evts_get_info token "$server_evts") + server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts") + + print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1" + if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && + [ "$server_serverside" = 1 ] + then + test_pass + else + test_fail "Expected tokens (c:${client_token} - s:${server_token}) and server (c:${client_serverside} - s:${server_serverside})" + mptcp_lib_result_print_all_tap + exit ${KSFT_FAIL} + fi + + if [ "$is_v6" = "v6" ] + then + client6_token=$client_token + server6_token=$server_token + client6_port=$client_port + client6_pid=$client_pid + server6_pid=$server_pid + else + client4_token=$client_token + server4_token=$server_token + client4_port=$client_port + client4_pid=$client_pid + server4_pid=$server_pid + fi +} + +# $@: all var names to check +check_expected() +{ + if mptcp_lib_check_expected "${@}" + then + test_pass + return 0 + fi + + test_fail + return 1 +} + +verify_announce_event() +{ + local evt=$1 + local e_type=$2 + local e_token=$3 + local e_addr=$4 + local e_id=$5 + local e_dport=$6 + local e_af=$7 + local type + local token + local addr + local dport + local id + + type=$(mptcp_lib_evts_get_info type "$evt" $e_type) + token=$(mptcp_lib_evts_get_info token "$evt" $e_type) + if [ "$e_af" = "v6" ] + then + addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) + else + addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) + fi + dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) + id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) + + check_expected "type" "token" "addr" "dport" "id" +} + +test_announce() +{ + print_title "Announce tests" + + # Capture events on the network namespace running the server + :>"$server_evts" + + # ADD_ADDR using an invalid token should result in no action + local invalid_token=$(( client4_token - 1)) + ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ + $client_addr_id dev ns2eth1 > /dev/null 2>&1 + + local type + type=$(mptcp_lib_evts_get_info type "$server_evts") + print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token" + if [ "$type" = "" ] + then + test_pass + else + test_fail "type defined: ${type}" + fi + + # ADD_ADDR from the client to server machine reusing the subflow port + :>"$server_evts" + ip netns exec "$ns2"\ + ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ + ns2eth1 + print_test "ADD_ADDR id:${client_addr_id} 10.0.2.2 (ns2) => ns1, reuse port" + sleep 0.5 + verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ + "$client4_port" + + # ADD_ADDR6 from the client to server machine reusing the subflow port + :>"$server_evts" + ip netns exec "$ns2" ./pm_nl_ctl ann\ + dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 + print_test "ADD_ADDR6 id:${client_addr_id} dead:beef:2::2 (ns2) => ns1, reuse port" + sleep 0.5 + verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ + "$client_addr_id" "$client6_port" "v6" + + # ADD_ADDR from the client to server machine using a new port + :>"$server_evts" + client_addr_id=$((client_addr_id+1)) + ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ + $client_addr_id dev ns2eth1 port $new4_port + print_test "ADD_ADDR id:${client_addr_id} 10.0.2.2 (ns2) => ns1, new port" + sleep 0.5 + verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ + "$client_addr_id" "$new4_port" + + # Capture events on the network namespace running the client + :>"$client_evts" + + # ADD_ADDR from the server to client machine reusing the subflow port + ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ + $server_addr_id dev ns1eth2 + print_test "ADD_ADDR id:${server_addr_id} 10.0.2.1 (ns1) => ns2, reuse port" + sleep 0.5 + verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ + "$server_addr_id" "$app4_port" + + # ADD_ADDR6 from the server to client machine reusing the subflow port + :>"$client_evts" + ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ + $server_addr_id dev ns1eth2 + print_test "ADD_ADDR6 id:${server_addr_id} dead:beef:2::1 (ns1) => ns2, reuse port" + sleep 0.5 + verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ + "$server_addr_id" "$app6_port" "v6" + + # ADD_ADDR from the server to client machine using a new port + :>"$client_evts" + server_addr_id=$((server_addr_id+1)) + ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ + $server_addr_id dev ns1eth2 port $new4_port + print_test "ADD_ADDR id:${server_addr_id} 10.0.2.1 (ns1) => ns2, new port" + sleep 0.5 + verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ + "$server_addr_id" "$new4_port" +} + +verify_remove_event() +{ + local evt=$1 + local e_type=$2 + local e_token=$3 + local e_id=$4 + local type + local token + local id + + type=$(mptcp_lib_evts_get_info type "$evt" $e_type) + token=$(mptcp_lib_evts_get_info token "$evt" $e_type) + id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) + + check_expected "type" "token" "id" +} + +test_remove() +{ + print_title "Remove tests" + + # Capture events on the network namespace running the server + :>"$server_evts" + + # RM_ADDR using an invalid token should result in no action + local invalid_token=$(( client4_token - 1 )) + ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ + $client_addr_id > /dev/null 2>&1 + print_test "RM_ADDR id:${client_addr_id} ns2 => ns1, invalid token" + local type + type=$(mptcp_lib_evts_get_info type "$server_evts") + if [ "$type" = "" ] + then + test_pass + else + test_fail "unexpected type: ${type}" + fi + + # RM_ADDR using an invalid addr id should result in no action + local invalid_id=$(( client_addr_id + 1 )) + ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ + $invalid_id > /dev/null 2>&1 + print_test "RM_ADDR id:${invalid_id} ns2 => ns1, invalid id" + type=$(mptcp_lib_evts_get_info type "$server_evts") + if [ "$type" = "" ] + then + test_pass + else + test_fail "unexpected type: ${type}" + fi + + # RM_ADDR from the client to server machine + :>"$server_evts" + ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ + $client_addr_id + print_test "RM_ADDR id:${client_addr_id} ns2 => ns1" + sleep 0.5 + verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" + + # RM_ADDR from the client to server machine + :>"$server_evts" + client_addr_id=$(( client_addr_id - 1 )) + ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ + $client_addr_id + print_test "RM_ADDR id:${client_addr_id} ns2 => ns1" + sleep 0.5 + verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" + + # RM_ADDR6 from the client to server machine + :>"$server_evts" + ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ + $client_addr_id + print_test "RM_ADDR6 id:${client_addr_id} ns2 => ns1" + sleep 0.5 + verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" + + # Capture events on the network namespace running the client + :>"$client_evts" + + # RM_ADDR from the server to client machine + ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ + $server_addr_id + print_test "RM_ADDR id:${server_addr_id} ns1 => ns2" + sleep 0.5 + verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" + + # RM_ADDR from the server to client machine + :>"$client_evts" + server_addr_id=$(( server_addr_id - 1 )) + ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ + $server_addr_id + print_test "RM_ADDR id:${server_addr_id} ns1 => ns2" + sleep 0.5 + verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" + + # RM_ADDR6 from the server to client machine + :>"$client_evts" + ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ + $server_addr_id + print_test "RM_ADDR6 id:${server_addr_id} ns1 => ns2" + sleep 0.5 + verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" +} + +verify_subflow_events() +{ + local evt=$1 + local e_type=$2 + local e_token=$3 + local e_family=$4 + local e_saddr=$5 + local e_daddr=$6 + local e_dport=$7 + local e_locid=$8 + local e_remid=$9 + shift 2 + local e_from=$8 + local e_to=$9 + local type + local token + local family + local saddr + local daddr + local dport + local locid + local remid + local info + + info="${e_saddr} (${e_from}) => ${e_daddr}:${e_dport} (${e_to})" + + if [ "$e_type" = "$SUB_ESTABLISHED" ] + then + if [ "$e_family" = "$AF_INET6" ] + then + print_test "CREATE_SUBFLOW6 ${info}" + else + print_test "CREATE_SUBFLOW ${info}" + fi + else + if [ "$e_family" = "$AF_INET6" ] + then + print_test "DESTROY_SUBFLOW6 ${info}" + else + print_test "DESTROY_SUBFLOW ${info}" + fi + fi + + type=$(mptcp_lib_evts_get_info type "$evt" $e_type) + token=$(mptcp_lib_evts_get_info token "$evt" $e_type) + family=$(mptcp_lib_evts_get_info family "$evt" $e_type) + dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) + locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type) + remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) + if [ "$family" = "$AF_INET6" ] + then + saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type) + daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) + else + saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type) + daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) + fi + + check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid" +} + +test_subflows() +{ + print_title "Subflows v4 or v6 only tests" + + # Capture events on the network namespace running the server + :>"$server_evts" + + # Attempt to add a listener at 10.0.2.2:<subflow-port> + ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ + "$client4_port" & + local listener_pid=$! + + # ADD_ADDR from client to server machine reusing the subflow port + ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ + $client_addr_id + sleep 0.5 + + # CREATE_SUBFLOW from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ + rport "$client4_port" token "$server4_token" + sleep 0.5 + verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ + "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" + + # Delete the listener from the client ns, if one was created + mptcp_lib_kill_wait $listener_pid + + local sport + sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ + "$client4_port" token "$server4_token" + sleep 0.5 + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ + "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" + + # RM_ADDR from client to server machine + ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ + "$client4_token" + sleep 0.5 + + # Attempt to add a listener at dead:beef:2::2:<subflow-port> + ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ + "$client6_port" & + listener_pid=$! + + # ADD_ADDR6 from client to server machine reusing the subflow port + :>"$server_evts" + ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ + $client_addr_id + sleep 0.5 + + # CREATE_SUBFLOW6 from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ + dead:beef:2::2 rport "$client6_port" token "$server6_token" + sleep 0.5 + verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ + "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ + "$client_addr_id" "ns1" "ns2" + + # Delete the listener from the client ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW6 from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ + dead:beef:2::2 rport "$client6_port" token "$server6_token" + sleep 0.5 + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ + "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ + "$client_addr_id" "ns1" "ns2" + + # RM_ADDR from client to server machine + ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ + "$client6_token" + sleep 0.5 + + # Attempt to add a listener at 10.0.2.2:<new-port> + ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ + $new4_port & + listener_pid=$! + + # ADD_ADDR from client to server machine using a new port + :>"$server_evts" + ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ + $client_addr_id port $new4_port + sleep 0.5 + + # CREATE_SUBFLOW from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ + $new4_port token "$server4_token" + sleep 0.5 + verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ + "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ + "$client_addr_id" "ns1" "ns2" + + # Delete the listener from the client ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW from server to client machine + :>"$server_evts" + ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ + $new4_port token "$server4_token" + sleep 0.5 + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ + "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" + + # RM_ADDR from client to server machine + ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ + "$client4_token" + + # Capture events on the network namespace running the client + :>"$client_evts" + + # Attempt to add a listener at 10.0.2.1:<subflow-port> + ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ + $app4_port & + listener_pid=$! + + # ADD_ADDR from server to client machine reusing the subflow port + ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ + $server_addr_id + sleep 0.5 + + # CREATE_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ + $app4_port token "$client4_token" + sleep 0.5 + verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ + "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" + + # Delete the listener from the server ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ + $app4_port token "$client4_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ + "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" + + # RM_ADDR from server to client machine + ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ + "$server4_token" + sleep 0.5 + + # Attempt to add a listener at dead:beef:2::1:<subflow-port> + ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ + $app6_port & + listener_pid=$! + + # ADD_ADDR6 from server to client machine reusing the subflow port + :>"$client_evts" + ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ + $server_addr_id + sleep 0.5 + + # CREATE_SUBFLOW6 from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ + dead:beef:2::1 rport $app6_port token "$client6_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ + "$AF_INET6" "dead:beef:2::2"\ + "dead:beef:2::1" "$app6_port" "23"\ + "$server_addr_id" "ns2" "ns1" + + # Delete the listener from the server ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW6 from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ + dead:beef:2::1 rport $app6_port token "$client6_token" + sleep 0.5 + verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ + "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" + + # RM_ADDR6 from server to client machine + ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ + "$server6_token" + sleep 0.5 + + # Attempt to add a listener at 10.0.2.1:<new-port> + ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ + $new4_port & + listener_pid=$! + + # ADD_ADDR from server to client machine using a new port + :>"$client_evts" + ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ + $server_addr_id port $new4_port + sleep 0.5 + + # CREATE_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ + $new4_port token "$client4_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ + "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" + + # Delete the listener from the server ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ + $new4_port token "$client4_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ + "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" + + # RM_ADDR from server to client machine + ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ + "$server4_token" +} + +test_subflows_v4_v6_mix() +{ + print_title "Subflows v4 and v6 mix tests" + + # Attempt to add a listener at 10.0.2.1:<subflow-port> + ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ + $app6_port & + local listener_pid=$! + + # ADD_ADDR4 from server to client machine reusing the subflow port on + # the established v6 connection + :>"$client_evts" + ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\ + $server_addr_id dev ns1eth2 + print_test "ADD_ADDR4 id:${server_addr_id} 10.0.2.1 (ns1) => ns2, reuse port" + sleep 0.5 + verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\ + "$server_addr_id" "$app6_port" + + # CREATE_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ + $app6_port token "$client6_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ + "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ + "$server_addr_id" "ns2" "ns1" + + # Delete the listener from the server ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) + + # DESTROY_SUBFLOW from client to server machine + :>"$client_evts" + ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ + $app6_port token "$client6_token" + sleep 0.5 + verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \ + "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ + "$server_addr_id" "ns2" "ns1" + + # RM_ADDR from server to client machine + ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ + "$server6_token" + sleep 0.5 +} + +test_prio() +{ + print_title "Prio tests" + + local count + + # Send MP_PRIO signal from client to server machine + ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$app4_port" + sleep 0.5 + + # Check TX + print_test "MP_PRIO TX" + count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx") + if [ -z "$count" ]; then + test_skip + elif [ $count != 1 ]; then + test_fail "Count != 1: ${count}" + else + test_pass + fi + + # Check RX + print_test "MP_PRIO RX" + count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx") + if [ -z "$count" ]; then + test_skip + elif [ $count != 1 ]; then + test_fail "Count != 1: ${count}" + else + test_pass + fi +} + +verify_listener_events() +{ + if mptcp_lib_verify_listener_events "${@}"; then + test_pass + else + test_fail + fi +} + +test_listener() +{ + print_title "Listener tests" + + if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then + print_test "LISTENER events" + test_skip + return + fi + + # Capture events on the network namespace running the client + :>$client_evts + + # Attempt to add a listener at 10.0.2.2:<subflow-port> + ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ + $client4_port & + local listener_pid=$! + + sleep 0.5 + print_test "CREATE_LISTENER 10.0.2.2:$client4_port" + verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port + + # ADD_ADDR from client to server machine reusing the subflow port + ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ + $client_addr_id + sleep 0.5 + + # CREATE_SUBFLOW from server to client machine + ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ + rport $client4_port token $server4_token + sleep 0.5 + + # Delete the listener from the client ns, if one was created + mptcp_lib_kill_wait $listener_pid + + sleep 0.5 + print_test "CLOSE_LISTENER 10.0.2.2:$client4_port" + verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port +} + +print_title "Make connections" +make_connection +make_connection "v6" + +test_announce +test_remove +test_subflows +test_subflows_v4_v6_mix +test_prio +test_listener + +mptcp_lib_result_print_all_tap +exit ${ret} |