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-rwxr-xr-xtools/testing/selftests/net/mptcp/userspace_pm.sh1003
1 files changed, 1003 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 0000000000..b25a3e33eb
--- /dev/null
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -0,0 +1,1003 @@
+#!/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 "%-63s" "${test_name}"
+}
+
+print_results()
+{
+ _printf "[%s]\n" "${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}"
+}
+
+kill_wait()
+{
+ [ $1 -eq 0 ] && return 0
+
+ kill -SIGUSR1 $1 > /dev/null 2>&1
+ kill $1 > /dev/null 2>&1
+ wait $1 2>/dev/null
+}
+
+# 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
+ 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
+ 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
+ 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=$!
+ sleep 1
+
+ # Capture client/server attributes from MPTCP connection netlink events
+
+ local client_token
+ local client_port
+ local client_serverside
+ local server_token
+ local server_serverside
+
+ client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+ client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+ client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\
+ "$client_evts")
+ server_token=$(grep "type:1," "$server_evts" |
+ sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
+ server_serverside=$(grep "type:1," "$server_evts" |
+ sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q')
+
+ print_test "Established IP${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=$7
+ local type
+ local token
+ local addr
+ local dport
+ local id
+
+ type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ if [ "$e_af" = "v6" ]
+ then
+ addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
+ else
+ addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
+ fi
+ dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+
+ 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\
+ $client_addr_id dev ns2eth1 > /dev/null 2>&1
+
+ local type
+ type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$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=$4
+ local type
+ local token
+ local id
+
+ type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+
+ 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=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$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=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$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_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 ${info}"
+ fi
+ fi
+
+ type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
+ if [ "$family" = "$AF_INET6" ]
+ then
+ saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
+ daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
+ else
+ saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
+ daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
+ 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
+ kill_wait $listener_pid
+
+ local sport
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+
+ # 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
+ kill_wait $listener_pid
+
+ sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
+
+ # 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=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ $count != 1 ]; then
+ test_fail "Count != 1: ${count}"
+ else
+ test_pass
+ fi
+
+ # Check RX
+ print_test "MP_PRIO RX"
+ count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ $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=$(grep "type:$e_type," $evt |
+ sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
+ family=$(grep "type:$e_type," $evt |
+ sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
+ sport=$(grep "type:$e_type," $evt |
+ sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
+ if [ $family ] && [ $family = $AF_INET6 ]; then
+ saddr=$(grep "type:$e_type," $evt |
+ sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
+ else
+ saddr=$(grep "type:$e_type," $evt |
+ sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
+ fi
+
+ check_expected "type" "family" "saddr" "sport"
+}
+
+test_listener()
+{
+ print_title "Listener tests"
+
+ if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; 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:<subflow-port>
+ 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
+ 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}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-22 03:20:50 +0000