aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/testing/selftests/net/mptcp/mptcp_connect.sh
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_connect.sh')
-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_connect.sh709
1 files changed, 526 insertions, 183 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index acf02e156d20..4c4248554826 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -1,26 +1,39 @@
#!/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, especially because there were too many before having
+# address all other issues detected by shellcheck.
+#shellcheck disable=SC2086
+
+. "$(dirname "${0}")/mptcp_lib.sh"
+
time_start=$(date +%s)
-optstring="S:R:d:e:l:r:h4cm:"
+optstring="S:R:d:e:l:r:h4cm:f:tC"
ret=0
+final_ret=0
sin=""
sout=""
+cin_disconnect=""
cin=""
cout=""
-ksft_skip=4
capture=false
-timeout=30
+timeout_poll=30
+timeout_test=$((timeout_poll * 2 + 1))
ipv6=true
ethtool_random_on=true
-tc_delay="$((RANDOM%400))"
+tc_delay="$((RANDOM%50))"
tc_loss=$((RANDOM%101))
-tc_reorder=""
testmode=""
sndbuf=0
rcvbuf=0
options_log=true
+do_tcp=0
+checksum=false
+filesize=0
+connect_per_transfer=1
+port=$((10000 - 1))
if [ $tc_loss -eq 100 ];then
tc_loss=1%
@@ -40,23 +53,26 @@ usage() {
echo -e "\t-e: ethtool features to disable, e.g.: \"-e tso -e gso\" (default: randomly disable any of tso/gso/gro)"
echo -e "\t-4: IPv4 only: disable IPv6 tests (default: test both IPv4 and IPv6)"
echo -e "\t-c: capture packets for each test using tcpdump (default: no capture)"
+ echo -e "\t-f: size of file to transfer in bytes (default random)"
echo -e "\t-S: set sndbuf value (default: use kernel default)"
echo -e "\t-R: set rcvbuf value (default: use kernel default)"
echo -e "\t-m: test mode (poll, sendfile; default: poll)"
+ echo -e "\t-t: also run tests with TCP (use twice to non-fallback tcp)"
+ echo -e "\t-C: enable the MPTCP data checksum"
}
while getopts "$optstring" option;do
case "$option" in
"h")
usage $0
- exit 0
+ exit ${KSFT_PASS}
;;
"d")
if [ $OPTARG -ge 0 ];then
tc_delay="$OPTARG"
else
echo "-d requires numeric argument, got \"$OPTARG\"" 1>&2
- exit 1
+ exit ${KSFT_FAIL}
fi
;;
"e")
@@ -80,7 +96,7 @@ while getopts "$optstring" option;do
sndbuf="$OPTARG"
else
echo "-S requires numeric argument, got \"$OPTARG\"" 1>&2
- exit 1
+ exit ${KSFT_FAIL}
fi
;;
"R")
@@ -88,57 +104,61 @@ while getopts "$optstring" option;do
rcvbuf="$OPTARG"
else
echo "-R requires numeric argument, got \"$OPTARG\"" 1>&2
- exit 1
+ exit ${KSFT_FAIL}
fi
;;
"m")
testmode="$OPTARG"
;;
+ "f")
+ filesize="$OPTARG"
+ ;;
+ "t")
+ do_tcp=$((do_tcp+1))
+ ;;
+ "C")
+ checksum=true
+ ;;
"?")
usage $0
- exit 1
+ exit ${KSFT_FAIL}
;;
esac
done
-sec=$(date +%s)
-rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
-ns1="ns1-$rndh"
-ns2="ns2-$rndh"
-ns3="ns3-$rndh"
-ns4="ns4-$rndh"
+ns1=""
+ns2=""
+ns3=""
+ns4=""
-TEST_COUNT=0
+TEST_GROUP=""
+# This function is used in the cleanup trap
+#shellcheck disable=SC2317
cleanup()
{
+ rm -f "$cin_disconnect" "$cout_disconnect"
rm -f "$cin" "$cout"
rm -f "$sin" "$sout"
rm -f "$capout"
- local netns
- for netns in "$ns1" "$ns2" "$ns3" "$ns4";do
- ip netns del $netns
- done
+ mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns3}" "${ns4}"
}
-ip -Version > /dev/null 2>&1
-if [ $? -ne 0 ];then
- echo "SKIP: Could not run test without ip tool"
- exit $ksft_skip
-fi
+mptcp_lib_check_mptcp
+mptcp_lib_check_kallsyms
+mptcp_lib_check_tools ip
sin=$(mktemp)
sout=$(mktemp)
cin=$(mktemp)
cout=$(mktemp)
capout=$(mktemp)
+cin_disconnect="$cin".disconnect
+cout_disconnect="$cout".disconnect
trap cleanup EXIT
-for i in "$ns1" "$ns2" "$ns3" "$ns4";do
- ip netns add $i || exit $ksft_skip
- ip -net $i link set lo up
-done
+mptcp_lib_ns_init ns1 ns2 ns3 ns4
# "$ns1" ns2 ns3 ns4
# ns1eth2 ns2eth1 ns2eth3 ns3eth2 ns3eth4 ns4eth3
@@ -186,13 +206,20 @@ ip -net "$ns4" link set ns4eth3 up
ip -net "$ns4" route add default via 10.0.3.2
ip -net "$ns4" route add default via dead:beef:3::2
+if $checksum; then
+ for i in "$ns1" "$ns2" "$ns3" "$ns4";do
+ ip netns exec $i sysctl -q net.mptcp.checksum_enabled=1
+ done
+fi
+
set_ethtool_flags() {
local ns="$1"
local dev="$2"
local flags="$3"
- ip netns exec $ns ethtool -K $dev $flags 2>/dev/null
- [ $? -eq 0 ] && echo "INFO: set $ns dev $dev: ethtool -K $flags"
+ if ip netns exec $ns ethtool -K $dev $flags 2>/dev/null; then
+ mptcp_lib_pr_info "set $ns dev $dev: ethtool -K $flags"
+ fi
}
set_random_ethtool_flags() {
@@ -220,100 +247,62 @@ else
set_ethtool_flags "$ns4" ns4eth3 "$ethtool_args"
fi
-print_file_err()
-{
- ls -l "$1" 1>&2
- echo "Trailing bytes are: "
- tail -c 27 "$1"
-}
-
-check_transfer()
-{
- local in=$1
- local out=$2
- local what=$3
-
- cmp "$in" "$out" > /dev/null 2>&1
- if [ $? -ne 0 ] ;then
- echo "[ FAIL ] $what does not match (in, out):"
- print_file_err "$in"
- print_file_err "$out"
-
- return 1
- fi
-
- return 0
+print_larger_title() {
+ # here we don't have the time, a bit longer for the alignment
+ MPTCP_LIB_TEST_FORMAT="%02u %-69s" \
+ mptcp_lib_print_title "${@}"
}
check_mptcp_disabled()
{
local disabled_ns
- disabled_ns="ns_disabled-$sech-$(mktemp -u XXXXXX)"
- ip netns add ${disabled_ns} || exit $ksft_skip
+ mptcp_lib_ns_init disabled_ns
+ print_larger_title "New MPTCP socket can be blocked via sysctl"
# net.mptcp.enabled should be enabled by default
if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ print $3 }')" -ne 1 ]; then
- echo -e "net.mptcp.enabled sysctl is not 1 by default\t\t[ FAIL ]"
- ret=1
+ mptcp_lib_pr_fail "net.mptcp.enabled sysctl is not 1 by default"
+ mptcp_lib_result_fail "net.mptcp.enabled sysctl is not 1 by default"
+ ret=${KSFT_FAIL}
return 1
fi
ip netns exec ${disabled_ns} sysctl -q net.mptcp.enabled=0
local err=0
- LANG=C ip netns exec ${disabled_ns} ./mptcp_connect -t $timeout -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \
+ LC_ALL=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \
grep -q "^socket: Protocol not available$" && err=1
- ip netns delete ${disabled_ns}
+ mptcp_lib_ns_exit "${disabled_ns}"
if [ ${err} -eq 0 ]; then
- echo -e "New MPTCP socket cannot be blocked via sysctl\t\t[ FAIL ]"
- ret=1
+ mptcp_lib_pr_fail "New MPTCP socket cannot be blocked via sysctl"
+ mptcp_lib_result_fail "New MPTCP socket cannot be blocked via sysctl"
+ ret=${KSFT_FAIL}
return 1
fi
- echo -e "New MPTCP socket can be blocked via sysctl\t\t[ OK ]"
+ mptcp_lib_pr_ok
+ mptcp_lib_result_pass "New MPTCP socket can be blocked via sysctl"
return 0
}
-check_mptcp_ulp_setsockopt()
-{
- local t retval
- t="ns_ulp-$sech-$(mktemp -u XXXXXX)"
-
- ip netns add ${t} || exit $ksft_skip
- if ! ip netns exec ${t} ./mptcp_connect -u -p 10000 -s TCP 127.0.0.1 2>&1; then
- printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) allowed\t[ FAIL ]\n"
- retval=1
- ret=$retval
- else
- printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) blocked\t[ OK ]\n"
- retval=0
- fi
- ip netns del ${t}
- return $retval
-}
-
-# $1: IP address
-is_v6()
-{
- [ -z "${1##*:*}" ]
-}
-
do_ping()
{
local listener_ns="$1"
local connector_ns="$2"
local connect_addr="$3"
local ping_args="-q -c 1"
+ local rc=0
- if is_v6 "${connect_addr}"; then
+ if mptcp_lib_is_v6 "${connect_addr}"; then
$ipv6 || return 0
ping_args="${ping_args} -6"
fi
- ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null
- if [ $? -ne 0 ] ; then
- echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
- ret=1
+ ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null || rc=1
+
+ if [ $rc -ne 0 ] ; then
+ mptcp_lib_pr_fail "$listener_ns -> $connect_addr connectivity"
+ ret=${KSFT_FAIL}
return 1
fi
@@ -321,23 +310,6 @@ do_ping()
return 0
}
-# $1: ns, $2: port
-wait_local_port_listen()
-{
- local listener_ns="${1}"
- local port="${2}"
-
- local port_hex i
-
- port_hex="$(printf "%04X" "${port}")"
- for i in $(seq 10); do
- ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
- awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
- break
- sleep 0.1
- done
-}
-
do_transfer()
{
local listener_ns="$1"
@@ -346,28 +318,26 @@ do_transfer()
local srv_proto="$4"
local connect_addr="$5"
local local_addr="$6"
- local extra_args=""
+ local extra_args="$7"
- local port
- port=$((10000+$TEST_COUNT))
- TEST_COUNT=$((TEST_COUNT+1))
+ port=$((port + 1))
if [ "$rcvbuf" -gt 0 ]; then
- extra_args="$extra_args -R $rcvbuf"
+ extra_args+=" -R $rcvbuf"
fi
if [ "$sndbuf" -gt 0 ]; then
- extra_args="$extra_args -S $sndbuf"
+ extra_args+=" -S $sndbuf"
fi
if [ -n "$testmode" ]; then
- extra_args="$extra_args -m $testmode"
+ extra_args+=" -m $testmode"
fi
if [ -n "$extra_args" ] && $options_log; then
- options_log=false
- echo "INFO: extra options: $extra_args"
+ mptcp_lib_pr_info "extra options: $extra_args"
fi
+ options_log=false
:> "$cout"
:> "$sout"
@@ -375,32 +345,65 @@ do_transfer()
local addr_port
addr_port=$(printf "%s:%d" ${connect_addr} ${port})
- printf "%.3s %-5s -> %.3s (%-20s) %-5s\t" ${connector_ns} ${cl_proto} ${listener_ns} ${addr_port} ${srv_proto}
+ local result_msg
+ result_msg="$(printf "%.3s %-5s -> %.3s (%-20s) %-5s" ${connector_ns} ${cl_proto} ${listener_ns} ${addr_port} ${srv_proto})"
+ mptcp_lib_print_title "${result_msg}"
if $capture; then
local capuser
+ local rndh="${connector_ns:4}"
if [ -z $SUDO_USER ] ; then
capuser=""
else
capuser="-Z $SUDO_USER"
fi
- local capfile="${listener_ns}-${connector_ns}-${cl_proto}-${srv_proto}-${connect_addr}.pcap"
+ local capfile="${rndh}-${connector_ns:0:3}-${listener_ns:0:3}-${cl_proto}-${srv_proto}-${connect_addr}-${port}"
+ local capopt="-i any -s 65535 -B 32768 ${capuser}"
- ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
- local cappid=$!
+ ip netns exec ${listener_ns} tcpdump ${capopt} -w "${capfile}-listener.pcap" >> "${capout}" 2>&1 &
+ local cappid_listener=$!
+
+ ip netns exec ${connector_ns} tcpdump ${capopt} -w "${capfile}-connector.pcap" >> "${capout}" 2>&1 &
+ local cappid_connector=$!
sleep 1
fi
- ip netns exec ${listener_ns} ./mptcp_connect -t $timeout -l -p $port -s ${srv_proto} $extra_args $local_addr < "$sin" > "$sout" &
+ NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
+ nstat -n
+ if [ ${listener_ns} != ${connector_ns} ]; then
+ NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
+ nstat -n
+ fi
+
+ local stat_synrx_last_l
+ local stat_ackrx_last_l
+ local stat_cookietx_last
+ local stat_cookierx_last
+ local stat_csum_err_s
+ local stat_csum_err_c
+ stat_synrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
+ stat_ackrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
+ stat_cookietx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
+ stat_cookierx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
+ stat_csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr")
+ stat_csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr")
+
+ timeout ${timeout_test} \
+ ip netns exec ${listener_ns} \
+ ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
+ $extra_args $local_addr < "$sin" > "$sout" &
local spid=$!
- wait_local_port_listen "${listener_ns}" "${port}"
+ mptcp_lib_wait_local_port_listen "${listener_ns}" "${port}"
local start
start=$(date +%s%3N)
- ip netns exec ${connector_ns} ./mptcp_connect -t $timeout -p $port -s ${cl_proto} $extra_args $connect_addr < "$cin" > "$cout" &
+ timeout ${timeout_test} \
+ ip netns exec ${connector_ns} \
+ ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
+ $extra_args $connect_addr < "$cin" > "$cout" &
local cpid=$!
wait $cpid
@@ -413,56 +416,159 @@ do_transfer()
if $capture; then
sleep 1
- kill $cappid
+ kill ${cappid_listener}
+ kill ${cappid_connector}
+ fi
+
+ NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
+ nstat | grep Tcp > /tmp/${listener_ns}.out
+ if [ ${listener_ns} != ${connector_ns} ]; then
+ NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
+ nstat | grep Tcp > /tmp/${connector_ns}.out
fi
local duration
duration=$((stop-start))
- duration=$(printf "(duration %05sms)" $duration)
+ result_msg+=" # time=${duration}ms"
+ printf "(duration %05sms) " "${duration}"
if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
- echo "$duration [ FAIL ] client exit code $retc, server $rets" 1>&2
- echo "\nnetns ${listener_ns} socket stat for $port:" 1>&2
- ip netns exec ${listener_ns} ss -nita 1>&2 -o "sport = :$port"
- echo "\nnetns ${connector_ns} socket stat for $port:" 1>&2
- ip netns exec ${connector_ns} ss -nita 1>&2 -o "dport = :$port"
-
+ mptcp_lib_pr_fail "client exit code $retc, server $rets"
+ echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
+ ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
+ cat /tmp/${listener_ns}.out
+ echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
+ ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
+ [ ${listener_ns} != ${connector_ns} ] && cat /tmp/${connector_ns}.out
+
+ echo
cat "$capout"
+ mptcp_lib_result_fail "${TEST_GROUP}: ${result_msg}"
return 1
fi
- check_transfer $sin $cout "file received by client"
+ mptcp_lib_check_transfer $sin $cout "file received by client"
retc=$?
- check_transfer $cin $sout "file received by server"
+ mptcp_lib_check_transfer $cin $sout "file received by server"
rets=$?
- if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
- echo "$duration [ OK ]"
- cat "$capout"
- return 0
+ local extra=""
+ local stat_synrx_now_l
+ local stat_ackrx_now_l
+ local stat_cookietx_now
+ local stat_cookierx_now
+ local stat_ooo_now
+ stat_synrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
+ stat_ackrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
+ stat_cookietx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
+ stat_cookierx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
+ stat_ooo_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtTCPOFOQueue")
+
+ expect_synrx=$((stat_synrx_last_l))
+ expect_ackrx=$((stat_ackrx_last_l))
+
+ cookies=$(ip netns exec ${listener_ns} sysctl net.ipv4.tcp_syncookies)
+ cookies=${cookies##*=}
+
+ if [ ${cl_proto} = "MPTCP" ] && [ ${srv_proto} = "MPTCP" ]; then
+ expect_synrx=$((stat_synrx_last_l+connect_per_transfer))
+ expect_ackrx=$((stat_ackrx_last_l+connect_per_transfer))
+ fi
+
+ if [ ${stat_synrx_now_l} -lt ${expect_synrx} ]; then
+ mptcp_lib_pr_fail "lower MPC SYN rx (${stat_synrx_now_l})" \
+ "than expected (${expect_synrx})"
+ retc=1
+ fi
+ if [ ${stat_ackrx_now_l} -lt ${expect_ackrx} ] && [ ${stat_ooo_now} -eq 0 ]; then
+ if [ ${stat_ooo_now} -eq 0 ]; then
+ mptcp_lib_pr_fail "lower MPC ACK rx (${stat_ackrx_now_l})" \
+ "than expected (${expect_ackrx})"
+ rets=1
+ else
+ extra+=" [ Note ] fallback due to TCP OoO"
+ fi
+ fi
+
+ if $checksum; then
+ local csum_err_s
+ local csum_err_c
+ csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr")
+ csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr")
+
+ local csum_err_s_nr=$((csum_err_s - stat_csum_err_s))
+ if [ $csum_err_s_nr -gt 0 ]; then
+ mptcp_lib_pr_fail "server got ${csum_err_s_nr} data checksum error[s]"
+ rets=1
+ fi
+
+ local csum_err_c_nr=$((csum_err_c - stat_csum_err_c))
+ if [ $csum_err_c_nr -gt 0 ]; then
+ mptcp_lib_pr_fail "client got ${csum_err_c_nr} data checksum error[s]"
+ retc=1
+ fi
+ fi
+
+ if [ $cookies -eq 2 ];then
+ if [ $stat_cookietx_last -ge $stat_cookietx_now ] ;then
+ extra+=" WARN: CookieSent: did not advance"
+ fi
+ if [ $stat_cookierx_last -ge $stat_cookierx_now ] ;then
+ extra+=" WARN: CookieRecv: did not advance"
+ fi
+ else
+ if [ $stat_cookietx_last -ne $stat_cookietx_now ] ;then
+ extra+=" WARN: CookieSent: changed"
+ fi
+ if [ $stat_cookierx_last -ne $stat_cookierx_now ] ;then
+ extra+=" WARN: CookieRecv: changed"
+ fi
+ fi
+
+ if [ ${stat_synrx_now_l} -gt ${expect_synrx} ]; then
+ extra+=" WARN: SYNRX: expect ${expect_synrx},"
+ extra+=" got ${stat_synrx_now_l} (probably retransmissions)"
+ fi
+ if [ ${stat_ackrx_now_l} -gt ${expect_ackrx} ]; then
+ extra+=" WARN: ACKRX: expect ${expect_ackrx},"
+ extra+=" got ${stat_ackrx_now_l} (probably retransmissions)"
+ fi
+
+ if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then
+ mptcp_lib_pr_ok "${extra:1}"
+ mptcp_lib_result_pass "${TEST_GROUP}: ${result_msg}"
+ else
+ if [ -n "${extra}" ]; then
+ mptcp_lib_print_warn "${extra:1}"
+ fi
+ mptcp_lib_result_fail "${TEST_GROUP}: ${result_msg}"
fi
cat "$capout"
- return 1
+ [ $retc -eq 0 ] && [ $rets -eq 0 ]
}
make_file()
{
local name=$1
local who=$2
+ local SIZE=$filesize
+ local ksize
+ local rem
+
+ if [ $SIZE -eq 0 ]; then
+ local MAXSIZE=$((1024 * 1024 * 8))
+ local MINSIZE=$((1024 * 256))
- local SIZE TSIZE
- SIZE=$((RANDOM % (1024 * 8)))
- TSIZE=$((SIZE * 1024))
+ SIZE=$(((RANDOM * RANDOM + MINSIZE) % MAXSIZE))
+ fi
- dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null
+ ksize=$((SIZE / 1024))
+ rem=$((SIZE - (ksize * 1024)))
- SIZE=$((RANDOM % 1024))
- SIZE=$((SIZE + 128))
- TSIZE=$((TSIZE + SIZE))
- dd if=/dev/urandom conv=notrunc of="$name" bs=1 count=$SIZE 2> /dev/null
- echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
+ mptcp_lib_make_file $name 1024 $ksize
+ dd if=/dev/urandom conv=notrunc of="$name" oflag=append bs=1 count=$rem 2> /dev/null
- echo "Created $name (size $TSIZE) containing data sent by $who"
+ echo "Created $name (size $(du -b "$name")) containing data sent by $who"
}
run_tests_lo()
@@ -471,6 +577,7 @@ run_tests_lo()
local connector_ns="$2"
local connect_addr="$3"
local loopback="$4"
+ local extra_args="$5"
local lret=0
# skip if test programs are running inside same netns for subsequent runs.
@@ -479,43 +586,58 @@ run_tests_lo()
fi
# skip if we don't want v6
- if ! $ipv6 && is_v6 "${connect_addr}"; then
+ if ! $ipv6 && mptcp_lib_is_v6 "${connect_addr}"; then
return 0
fi
local local_addr
- if is_v6 "${connect_addr}"; then
+ if mptcp_lib_is_v6 "${connect_addr}"; then
local_addr="::"
else
local_addr="0.0.0.0"
fi
- do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} ${local_addr}
+ do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \
+ ${connect_addr} ${local_addr} "${extra_args}"
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return 1
fi
- # don't bother testing fallback tcp except for loopback case.
- if [ ${listener_ns} != ${connector_ns} ]; then
- return 0
+ if [ $do_tcp -eq 0 ]; then
+ # don't bother testing fallback tcp except for loopback case.
+ if [ ${listener_ns} != ${connector_ns} ]; then
+ return 0
+ fi
fi
- do_transfer ${listener_ns} ${connector_ns} MPTCP TCP ${connect_addr} ${local_addr}
+ do_transfer ${listener_ns} ${connector_ns} MPTCP TCP \
+ ${connect_addr} ${local_addr} "${extra_args}"
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return 1
fi
- do_transfer ${listener_ns} ${connector_ns} TCP MPTCP ${connect_addr} ${local_addr}
+ do_transfer ${listener_ns} ${connector_ns} TCP MPTCP \
+ ${connect_addr} ${local_addr} "${extra_args}"
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return 1
fi
+ if [ $do_tcp -gt 1 ] ;then
+ do_transfer ${listener_ns} ${connector_ns} TCP TCP \
+ ${connect_addr} ${local_addr} "${extra_args}"
+ lret=$?
+ if [ $lret -ne 0 ]; then
+ ret=$lret
+ return 1
+ fi
+ fi
+
return 0
}
@@ -524,14 +646,204 @@ run_tests()
run_tests_lo $1 $2 $3 0
}
+run_test_transparent()
+{
+ local connect_addr="$1"
+ local msg="$2"
+
+ local connector_ns="$ns1"
+ local listener_ns="$ns2"
+ local lret=0
+ local r6flag=""
+
+ TEST_GROUP="${msg}"
+
+ # skip if we don't want v6
+ if ! $ipv6 && mptcp_lib_is_v6 "${connect_addr}"; then
+ return 0
+ fi
+
+ # IP(V6)_TRANSPARENT has been added after TOS support which came with
+ # the required infrastructure in MPTCP sockopt code. To support TOS, the
+ # following function has been exported (T). Not great but better than
+ # checking for a specific kernel version.
+ if ! mptcp_lib_kallsyms_has "T __ip_sock_set_tos$"; then
+ mptcp_lib_pr_skip "${msg} not supported by the kernel"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ if ! ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF"
+flush ruleset
+table inet mangle {
+ chain divert {
+ type filter hook prerouting priority -150;
+
+ meta l4proto tcp socket transparent 1 meta mark set 1 accept
+ tcp dport 20000 tproxy to :20000 meta mark set 1 accept
+ }
+}
+EOF
+ then
+ mptcp_lib_pr_skip "$msg, could not load nft ruleset"
+ mptcp_lib_fail_if_expected_feature "nft rules"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ local local_addr
+ if mptcp_lib_is_v6 "${connect_addr}"; then
+ local_addr="::"
+ r6flag="-6"
+ else
+ local_addr="0.0.0.0"
+ fi
+
+ if ! ip -net "$listener_ns" $r6flag rule add fwmark 1 lookup 100; then
+ ip netns exec "$listener_ns" nft flush ruleset
+ mptcp_lib_pr_skip "$msg, ip $r6flag rule failed"
+ mptcp_lib_fail_if_expected_feature "ip rule"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ if ! ip -net "$listener_ns" route add local $local_addr/0 dev lo table 100; then
+ ip netns exec "$listener_ns" nft flush ruleset
+ ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100
+ mptcp_lib_pr_skip "$msg, ip route add local $local_addr failed"
+ mptcp_lib_fail_if_expected_feature "ip route"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ mptcp_lib_pr_info "test $msg"
+
+ port=$((20000 - 1))
+ local extra_args="-o TRANSPARENT"
+ do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \
+ ${connect_addr} ${local_addr} "${extra_args}"
+ lret=$?
+
+ ip netns exec "$listener_ns" nft flush ruleset
+ ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100
+ ip -net "$listener_ns" route del local $local_addr/0 dev lo table 100
+
+ if [ $lret -ne 0 ]; then
+ mptcp_lib_pr_fail "$msg, mptcp connection error"
+ ret=$lret
+ return 1
+ fi
+
+ mptcp_lib_pr_info "$msg pass"
+ return 0
+}
+
+run_tests_peekmode()
+{
+ local peekmode="$1"
+
+ TEST_GROUP="peek mode: ${peekmode}"
+ mptcp_lib_pr_info "with peek mode: ${peekmode}"
+ run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-P ${peekmode}"
+ run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-P ${peekmode}"
+}
+
+run_tests_mptfo()
+{
+ TEST_GROUP="MPTFO"
+
+ if ! mptcp_lib_kallsyms_has "mptcp_fastopen_"; then
+ mptcp_lib_pr_skip "TFO not supported by the kernel"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ mptcp_lib_pr_info "with MPTFO start"
+ ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=2
+ ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=1
+
+ run_tests_lo "$ns1" "$ns2" 10.0.1.1 0 "-o MPTFO"
+ run_tests_lo "$ns1" "$ns2" 10.0.1.1 0 "-o MPTFO"
+
+ run_tests_lo "$ns1" "$ns2" dead:beef:1::1 0 "-o MPTFO"
+ run_tests_lo "$ns1" "$ns2" dead:beef:1::1 0 "-o MPTFO"
+
+ ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=0
+ ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=0
+ mptcp_lib_pr_info "with MPTFO end"
+}
+
+run_tests_disconnect()
+{
+ local old_cin=$cin
+ local old_sin=$sin
+
+ TEST_GROUP="full disconnect"
+
+ if ! mptcp_lib_kallsyms_has "mptcp_pm_data_reset$"; then
+ mptcp_lib_pr_skip "Full disconnect not supported"
+ mptcp_lib_result_skip "${TEST_GROUP}"
+ return
+ fi
+
+ cat $cin $cin $cin > "$cin".disconnect
+
+ # force do_transfer to cope with the multiple transmissions
+ sin="$cin.disconnect"
+ cin="$cin.disconnect"
+ cin_disconnect="$old_cin"
+ connect_per_transfer=3
+
+ mptcp_lib_pr_info "disconnect"
+ run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-I 3 -i $old_cin"
+ run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-I 3 -i $old_cin"
+
+ # restore previous status
+ sin=$old_sin
+ cin=$old_cin
+ cin_disconnect="$cin".disconnect
+ connect_per_transfer=1
+}
+
+display_time()
+{
+ time_end=$(date +%s)
+ time_run=$((time_end-time_start))
+
+ echo "Time: ${time_run} seconds"
+}
+
+log_if_error()
+{
+ local msg="$1"
+
+ if [ ${ret} -ne 0 ]; then
+ mptcp_lib_pr_fail "${msg}"
+
+ final_ret=${ret}
+ ret=${KSFT_PASS}
+
+ return ${final_ret}
+ fi
+}
+
+stop_if_error()
+{
+ if ! log_if_error "${@}"; then
+ display_time
+ mptcp_lib_result_print_all_tap
+ exit ${final_ret}
+ fi
+}
+
make_file "$cin" "client"
make_file "$sin" "server"
check_mptcp_disabled
-check_mptcp_ulp_setsockopt
+stop_if_error "The kernel configuration is not valid for MPTCP"
-echo "INFO: validating network environment with pings"
+print_larger_title "Validating network environment with pings"
for sender in "$ns1" "$ns2" "$ns3" "$ns4";do
do_ping "$ns1" $sender 10.0.1.1
do_ping "$ns1" $sender dead:beef:1::1
@@ -550,43 +862,59 @@ for sender in "$ns1" "$ns2" "$ns3" "$ns4";do
do_ping "$ns4" $sender dead:beef:3::1
done
-[ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss
-echo -n "INFO: Using loss of $tc_loss "
-test "$tc_delay" -gt 0 && echo -n "delay $tc_delay ms "
+mptcp_lib_result_code "${ret}" "ping tests"
+
+stop_if_error "Could not even run ping tests"
+mptcp_lib_pr_ok
+
+[ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss delay ${tc_delay}ms
+tc_info="loss of $tc_loss "
+test "$tc_delay" -gt 0 && tc_info+="delay $tc_delay ms "
+
+reorder_delay=$((tc_delay / 4))
if [ -z "${tc_reorder}" ]; then
reorder1=$((RANDOM%10))
reorder1=$((100 - reorder1))
reorder2=$((RANDOM%100))
- if [ $tc_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then
+ if [ $reorder_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then
tc_reorder="reorder ${reorder1}% ${reorder2}%"
- echo -n "$tc_reorder "
+ tc_info+="$tc_reorder with delay ${reorder_delay}ms "
fi
elif [ "$tc_reorder" = "0" ];then
tc_reorder=""
-elif [ "$tc_delay" -gt 0 ];then
+elif [ "$reorder_delay" -gt 0 ];then
# reordering requires some delay
tc_reorder="reorder $tc_reorder"
- echo -n "$tc_reorder "
+ tc_info+="$tc_reorder with delay ${reorder_delay}ms "
fi
-echo "on ns3eth4"
+mptcp_lib_pr_info "Using ${tc_info}on ns3eth4"
+
+tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${reorder_delay}ms $tc_reorder
-tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${tc_delay}ms $tc_reorder
+TEST_GROUP="loopback v4"
+run_tests_lo "$ns1" "$ns1" 10.0.1.1 1
+stop_if_error "Could not even run loopback test"
+TEST_GROUP="loopback v6"
+run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1
+stop_if_error "Could not even run loopback v6 test"
+
+TEST_GROUP="multihosts"
for sender in $ns1 $ns2 $ns3 $ns4;do
- run_tests_lo "$ns1" "$sender" 10.0.1.1 1
- if [ $ret -ne 0 ] ;then
- echo "FAIL: Could not even run loopback test" 1>&2
- exit $ret
- fi
- run_tests_lo "$ns1" $sender dead:beef:1::1 1
- if [ $ret -ne 0 ] ;then
- echo "FAIL: Could not even run loopback v6 test" 2>&1
- exit $ret
+ # ns1<->ns2 is not subject to reordering/tc delays. Use it to test
+ # mptcp syncookie support.
+ if [ $sender = $ns1 ]; then
+ ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=2
+ else
+ ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=1
fi
+ run_tests "$ns1" $sender 10.0.1.1
+ run_tests "$ns1" $sender dead:beef:1::1
+
run_tests "$ns2" $sender 10.0.1.2
run_tests "$ns2" $sender dead:beef:1::2
run_tests "$ns2" $sender 10.0.2.1
@@ -599,11 +927,26 @@ for sender in $ns1 $ns2 $ns3 $ns4;do
run_tests "$ns4" $sender 10.0.3.1
run_tests "$ns4" $sender dead:beef:3::1
+
+ log_if_error "Tests with $sender as a sender have failed"
done
-time_end=$(date +%s)
-time_run=$((time_end-time_start))
+run_tests_peekmode "saveWithPeek"
+run_tests_peekmode "saveAfterPeek"
+log_if_error "Tests with peek mode have failed"
+
+# MPTFO (MultiPath TCP Fatopen tests)
+run_tests_mptfo
+log_if_error "Tests with MPTFO have failed"
+
+# connect to ns4 ip address, ns2 should intercept/proxy
+run_test_transparent 10.0.3.1 "tproxy ipv4"
+run_test_transparent dead:beef:3::1 "tproxy ipv6"
+log_if_error "Tests with tproxy have failed"
-echo "Time: ${time_run} seconds"
+run_tests_disconnect
+log_if_error "Tests of the full disconnection have failed"
-exit $ret
+display_time
+mptcp_lib_result_print_all_tap
+exit ${final_ret}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.