#!/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 check_expected_one() #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 if ! ip -Version &> /dev/null; then echo "SKIP: Cannot not run test without ip tool" exit ${KSFT_SKIP} fi ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED REMOVED=7 # MPTCP_EVENT_REMOVED SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED AF_INET=2 AF_INET6=10 file="" server_evts="" client_evts="" server_evts_pid=0 client_evts_pid=0 client4_pid=0 server4_pid=0 client6_pid=0 server6_pid=0 client4_token="" server4_token="" client6_token="" server6_token="" client4_port=0; client6_port=0; app4_port=50002 new4_port=50003 app6_port=50004 client_addr_id=${RANDOM:0:2} server_addr_id=${RANDOM:0:2} sec=$(date +%s) rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX) ns1="ns1-$rndh" ns2="ns2-$rndh" ret=0 test_name="" _printf() { stdbuf -o0 -e0 printf "${@}" } print_title() { _printf "INFO: %s\n" "${1}" } # $1: test name print_test() { test_name="${1}" _printf "%-68s" "${test_name}" } print_results() { _printf "[%s]\n" "${1}" } test_pass() { print_results " OK " mptcp_lib_result_pass "${test_name}" } test_skip() { print_results "SKIP" mptcp_lib_result_skip "${test_name}" } # $1: msg test_fail() { print_results "FAIL" ret=1 if [ -n "${1}" ]; then _printf "\t%s\n" "${1}" fi mptcp_lib_result_fail "${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 $pid done local netns for netns in "$ns1" "$ns2" ;do ip netns del "$netns" done rm -rf $file $client_evts $server_evts _printf "Done\n" } trap cleanup EXIT # Create and configure network namespaces for testing for i in "$ns1" "$ns2" ;do ip netns add "$i" || exit 1 ip -net "$i" link set lo up ip netns exec "$i" sysctl -q net.mptcp.enabled=1 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 print_title "Init" print_test "Created network namespaces ns1, ns2" test_pass make_file() { # Store a chunk of data in a file to transmit over an MPTCP connection local name=$1 local ksize=1 dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" } make_connection() { if [ -z "$file" ]; then file=$(mktemp) fi make_file "$file" "client" 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 # Capture netlink events over the two network namespaces running # the MPTCP client and server if [ -z "$client_evts" ]; then client_evts=$(mktemp) fi :>"$client_evts" if [ $client_evts_pid -ne 0 ]; then mptcp_lib_kill_wait $client_evts_pid fi ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 & client_evts_pid=$! if [ -z "$server_evts" ]; then server_evts=$(mktemp) fi :>"$server_evts" if [ $server_evts_pid -ne 0 ]; then mptcp_lib_kill_wait $server_evts_pid fi ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 & server_evts_pid=$! sleep 0.5 # 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 1 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 } # $1: var name ; $2: prev ret check_expected_one() { local var="${1}" local exp="e_${var}" local prev_ret="${2}" if [ "${!var}" = "${!exp}" ] then return 0 fi if [ "${prev_ret}" = "0" ] then test_fail fi _printf "\tExpected value for '%s': '%s', got '%s'.\n" \ "${var}" "${!exp}" "${!var}" return 1 } # $@: all var names to check check_expected() { local rc=0 local var for var in "${@}" do check_expected_one "${var}" "${rc}" || rc=1 done if [ ${rc} -eq 0 ] then test_pass return 0 fi 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 [ "$type" = "" ] then test_pass else test_fail fi # RM_ADDR using an invalid addr id should result in no action local invalid_id=$(( 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 [ "$type" = "" ] then test_pass else test_fail fi # RM_ADDR from the client to server machine :>"$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: 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: 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: 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 :>"$client_evts" # Attempt to add a listener at 10.0.2.1: ip netns exec "$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: 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: 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: 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() { local evt=$1 local e_type=$2 local e_family=$3 local e_saddr=$4 local e_sport=$5 local type local family local saddr local sport if [ $e_type = $LISTENER_CREATED ]; then print_test "CREATE_LISTENER $e_saddr:$e_sport" elif [ $e_type = $LISTENER_CLOSED ]; then print_test "CLOSE_LISTENER $e_saddr:$e_sport" fi type=$(mptcp_lib_evts_get_info type $evt $e_type) family=$(mptcp_lib_evts_get_info family $evt $e_type) sport=$(mptcp_lib_evts_get_info sport $evt $e_type) if [ $family ] && [ $family = $AF_INET6 ]; then saddr=$(mptcp_lib_evts_get_info saddr6 $evt $e_type) else saddr=$(mptcp_lib_evts_get_info saddr4 $evt $e_type) fi check_expected "type" "family" "saddr" "sport" } test_listener() { print_title "Listener tests" if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; 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: ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ $client4_port & local listener_pid=$! sleep 0.5 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 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}